Fits 1990-1996 Nissan 300ZX and 1989-1994 Nissan Skyline R32 GT-R.

The ISR Performance Front Upper Camber Arms (FUCAs) provide the necessary adjustability to correct suspension geometry on lowered vehicles. By replacing the fixed-length factory arms, these components allow for precise camber settings to optimize the tire contact patch, improve cornering response, and prevent premature inner-tire wear. Engineered for durability and precision, these arms utilize a heavy-duty design to eliminate the flex associated with aged OEM stamped steel units.

• Provides critical camber adjustment for lowered Z32 and R32 GT-R chassis
• High-strength steel construction with a durable finish for long-lasting performance
• Equipped with rigid rod ends to reduce deflection and improve steering feedback
• Turnbuckle style adjustment allows for fine-tuning without removing the arm
• Direct replacement for factory front upper control arms
• Manufacturer Part Number: IS-Z32-CMBR

This ISR Performance Water Neck Outlet is a precision-engineered replacement for the factory cooling component on Nissan SR20DET (S14) engines. Designed to simplify the installation of aftermarket sensors or cooling lines, it eliminates the need for bulky radiator hose adapters or intrusive cutting of the factory cooling system.

• Features an integrated 1/8 NPT port for coolant temperature sensors or turbo water feed lines
• Direct bolt-on replacement for the OEM S14 SR20DET water neck outlet
• Precision machined flange ensures a flat, leak-free mating surface with the cylinder head
• Cast construction for long-term durability and heat resistance
• Manufacturer Part Number: IS-WN-S14

The ISR Performance Universal Exhaust Silencer (IS-UNIS-4) is a practical solution for drivers looking to manage exhaust volume and cabin drone without replacing their entire performance exhaust system. Designed as a direct insert for exhaust mufflers with a 4-inch outlet, this silencer helps reduce decibel levels to better meet local noise ordinances or track sound restrictions.

• Precision Fit: Specifically engineered to slide into standard 4-inch (approx. 101mm) exhaust tips.
• Durable Construction: Manufactured from high-grade stainless steel to withstand high exhaust temperatures and resist corrosion.
• Noise Reduction: Effective at dampening the raw sound profile of high-flow mufflers, making long-distance highway driving more comfortable.
• Simple Installation: Removable design typically secured with a single bolt and nut through the bottom of the exhaust tip.
• Manufacturer Part Number: IS-UNIS-4

Please note that if your exhaust tip is not pre-drilled, a small hole must be drilled through the tip to secure the silencer mounting hardware.

The ISR Performance Universal Exhaust Silencer is a practical solution for enthusiasts looking to reduce the decibel levels of their performance exhaust system. Designed to fit mufflers with a 3-inch tip diameter, this insert effectively tames loud exhaust notes and reduces cabin drone, making it ideal for daily commuting or meeting strict noise restrictions at various track venues.

This silencer installs by sliding directly into the exhaust tip and is typically secured using a mounting bolt through a pre-drilled hole in the muffler tip. It provides an immediate reduction in volume without requiring a permanent modification or full muffler replacement.

• Part Number: IS-UNIS-3
• Diameter: 3-inch (Designed for 3" muffler tips)
• Fitment: Universal application
• Application: Decibel reduction and drone mitigation
• Installation: Bolt-in insert (requires mounting hardware and pre-drilled tip hole)

The ISR Performance Universal Racing Tow Strap (IS-TS-BK) provides a functional, track-ready recovery point for your vehicle. Designed for universal fitment, this high-strength webbing strap is a critical safety addition for track days, drift events, or performance builds requiring a reliable tow point that meets racing standards.

• Heavy-duty, high-tensile strength webbing for reliable vehicle recovery and towing.
• Universal mounting design allows for installation on various chassis points or factory bumper beams.
• Flexible, low-profile construction reduces the risk of protruding hazards compared to traditional rigid metal tow hooks.
• Finished in a clean, professional black colorway with visible branding.
• Genuine ISR Performance component: IS-TS-BK.

Fits select 2003-2009 Nissan 350Z and Infiniti G35 (Z33/V35 chassis). The ISR Performance Billet Aluminum Solid Transmission Mount is designed for dedicated track and drift vehicles where maximum drivetrain rigidity is essential. By replacing the compliant factory rubber mount with a solid CNC-machined aluminum component, this upgrade eliminates transmission movement and drivetrain lash during aggressive shifting and high-torque maneuvers.

This solid mount ensures that power is transferred directly through the drivetrain without the energy loss associated with bushing deflection. Because this creates a solid metal-on-metal connection between the transmission and the subframe, users should expect a significant increase in cabin noise, vibration, and harshness (NVH), making this recommended for competition use.

• CNC-machined from high-grade billet aluminum for maximum strength
• Eliminates transmission twist and drivetrain deflection
• Direct bolt-on replacement for the factory OE transmission mount
• Engineered for professional drifting and road racing applications
• Manufacturer Part Number: IS-TMK-Z33

Upgrade the drivetrain stability and shifting precision of your Nissan 240sx with the ISR Performance Transmission Mount. This heavy-duty replacement is designed to eliminate the excessive drivetrain slop common with aged or soft factory rubber mounts. By significantly reducing transmission movement under hard acceleration and cornering, this mount ensures more consistent shifter engagement and more direct power delivery to the wheels.

Ideal for spirited driving, track use, or drifting applications, this component bolts directly to the factory mounting points without the need for modification. It provides a stiffer interface that manages torque more effectively than the original equipment while maintaining the durability required for performance environments.

• Direct replacement for the factory Nissan 240sx transmission mount
• Minimizes drivetrain movement for improved throttle response
• Enhances shifter feel and gear selection accuracy
• Engineered for high-performance and competitive use
• Manufacturer Part Number: IS-TMK-240

Fits Nissan SR20DET (S13) engines.

The ISR Performance Bottom Mount Turbo Line kit (IS-T25-NS13) is an essential upgrade for any SR20DET owner looking to eliminate the reliability issues common with factory hard lines. Over time, stock hard lines become brittle and prone to cracking due to heat cycling, often resulting in oil or coolant leaks that can jeopardize your engine and turbocharger.

This kit replaces those rigid factory components with flexible, braided stainless steel lines. These lines are engineered to withstand the extreme temperatures of the engine bay while providing easier routing and simplified turbocharger installation. The flexible design is particularly beneficial when working in the tight clearances of a bottom-mount configuration.

• Direct replacement for factory hard lines on S13 SR20DET bottom mount setups
• High-strength braided stainless steel construction for superior heat and pressure resistance
• Flexible design simplifies turbocharger installation and removal
• Reduces the risk of leaks associated with brittle OE components
• Complete kit for oil and coolant plumbing
• Manufacturer Part Number: IS-T25-NS13

Fine-tune your rear suspension geometry and improve stability with the ISR Performance Street Series Rear Traction Rods for the Nissan 370Z. These adjustable arms are designed to replace the fixed-length factory rods, allowing you to correct the fore-and-aft position of the rear hub—a critical adjustment for lowered Z34 chassis where factory alignment limits are often exceeded.

By adjusting the rear traction rods, drivers can better manage suspension bump steer and improve the car's predictability during cornering and hard acceleration. The Street Series components are engineered to provide a balance between increased rigidity and streetable comfort, utilizing high-quality construction to reduce bushing deflection under load.

• Fits Nissan 370Z
• Provides essential adjustability for lowered vehicles
• High-strength steel construction for improved durability and reduced flex
• Adjustable turnbuckle allows for on-car alignment changes
• Direct replacement for factory rear traction rods
• Manufacturer Part Number: IS-STRTR-Z34

Fits 2003-2009 Nissan 350Z models.

The ISR Performance Street Series Rear Traction Rods (IS-STRTR-Z33) are engineered to replace the soft factory units and provide precise control over rear suspension geometry. These adjustable rods allow you to dial in the fore and aft movement of the rear hub, which is essential for maintaining proper alignment settings and stability on lowered vehicles.

Constructed for durability and performance, the Street Series rods feature heavy-duty bushings that reduce deflection under load compared to OEM components. This results in improved traction, more predictable handling, and increased stability during both hard cornering and straight-line acceleration.

• Fully adjustable length to correct rear suspension geometry and alignment
• Heavy-duty construction for increased stiffness over stamped steel factory arms
• Reduces unwanted suspension movement for improved traction and stability
• Designed as a direct bolt-on replacement for the OE rear traction rods
• Manufacturer Part Number: IS-STRTR-Z33

Designed for the Nissan 370Z, these ISR Performance Street Series Rear Toe Arms (IS-STRTC-Z34) provide the critical alignment adjustability required when lowering your vehicle or optimizing suspension geometry. Factory eccentric bolts often lack the necessary range to bring a lowered Z34 chassis back within OEM alignment specifications. These adjustable arms allow you to precisely dial in toe settings to prevent premature tire wear and ensure predictable rear-end handling during spirited driving.

• Direct bolt-on replacement for factory rear toe arms
• Adjustable turnbuckle design allows for precise on-car alignment changes
• Provides significantly expanded adjustment range compared to stock hardware
• Heavy-duty construction tailored for street performance and occasional track use
• Manufacturer Part Number: IS-STRTC-Z34

Designed for the Nissan 350Z and Infiniti G35 platforms, ISR Performance Street Series Rear Toe Arms provide the necessary adjustment range to correct rear suspension geometry. These arms are essential for lowered vehicles where factory eccentric bolts often lack the travel required to return the rear toe to within specification, helping to prevent premature tire wear and improve high-speed stability.

Built for durability and precision, these adjustable arms allow for fine-tuned alignment settings whether for street driving or track use. These units serve as a direct replacement for the factory rear toe arms, utilizing heavy-duty rod ends to eliminate the deflection found in soft OEM rubber bushings.

• Fits Nissan 350Z and Infiniti G35
• Provides critical toe adjustment for lowered suspension setups
• Heavy-duty construction with durable finish
• Reduces suspension deflection for more predictable handling
• Direct bolt-on replacement for factory arms
• Manufacturer Part Number: IS-STRTC-Z33

Fits select 2003-2020 Nissan 350Z, 370Z, and Infiniti G35.

The ISR Performance Street Series Rear Camber Arms are engineered to provide the necessary adjustability to correct suspension geometry on lowered vehicles. When dropping the ride height on the Z33, Z34, or V35 chassis, factory eccentric bolts often lack the range required to return camber to OEM specifications. This results in uneven tire wear and reduced contact patches during cornering.

These Street Series arms (IS-STRCA-Z334) feature heavy-duty steel construction and high-durometer bushings. Unlike spherical rod ends that can transfer excessive noise, vibration, and harshness (NVH) into the cabin, these bushings offer a more direct steering feel while remaining comfortable for daily driving. The turnbuckle-style adjustment allows for precise, on-car alignment without the need to disconnect the arm from the spindle or subframe.

• Corrects rear camber settings to prevent premature tire wear on lowered vehicles
• Heavy-duty steel construction for maximum rigidity and durability
• High-durometer bushings improve suspension response with minimal NVH increase
• Turnbuckle design allows for easy on-car adjustments
• Durable finish for long-term corrosion resistance
• Manufacturer Part Number: IS-STRCA-Z334

Fits 2009-2020 Nissan 370Z (Z34) models. The ISR Performance ST Series Single Exit Exhaust is designed for drivers looking to shed significant weight and optimize exhaust flow. By replacing the heavy factory dual-exit setup with a streamlined single-exit configuration, this system reduces backpressure and improves exhaust gas velocity for better throttle response across the VQ37VHR powerband.

Built from high-quality mandrel-bent stainless steel, the ST Series features precision welds and a polished finish to ensure long-term durability and resistance to the elements. This system is a direct bolt-on upgrade that utilizes factory hanger locations for a straightforward installation process, delivering a deep, aggressive exhaust note that fits the character of the Z34 chassis.

• Single-exit design significantly reduces rear-end vehicle weight
• Mandrel-bent stainless steel piping ensures maximum flow with minimal turbulence
• Polished finish for enhanced corrosion resistance and aesthetics
• Direct bolt-on fitment with no welding required
• Includes all necessary gaskets and hardware for complete installation
• Manufacturer Part Number: IS-ST-Z34

Fits 2003-2007 Nissan 350Z (Z33).

The ISR Performance ST Series Exhaust is a high-flow system designed to replace the restrictive factory exhaust components on the Z33 chassis. Engineered for those seeking a more aggressive exhaust note and improved throttle response, the ST Series optimizes exhaust scavenging by utilizing a streamlined layout that reduces backpressure. This system is constructed from high-quality stainless steel to ensure long-term durability and resistance to the elements, while providing a significant weight reduction over the heavy OEM muffler assembly.

• Manufacturer Part Number: IS-ST-Z33
• Series: ISR ST Series
• Fitment: Direct bolt-on for 2003-2007 Nissan 350Z
• Material: Polished stainless steel piping
• Optimized for high-flow performance and an aggressive tone
• Designed to mount to factory hanger locations

Fits 2009-2013 Hyundai Genesis Coupe models equipped with the 3.8L V6 engine.

The ISR Performance ST Series exhaust is designed for enthusiasts seeking a raw, aggressive exhaust note and significant weight savings over the factory dual-exit setup. By utilizing a streamlined single-exit configuration, this system reduces backpressure and improves exhaust gas velocity, allowing the 3.8L V6 to breathe more efficiently.

Each system is built from high-quality stainless steel and features mandrel-bent piping to ensure consistent flow without the restrictions found in crush-bent tubing. The ST Series cat-back replaces the factory mid-pipe and muffler sections, bolting up to the existing exhaust hangers for a straightforward installation.

• High-quality stainless steel construction for durability
• Weight-saving single-exit design improves power-to-weight ratio
• Mandrel-bent piping ensures maximum exhaust flow and velocity
• Aggressive, race-inspired exhaust tone
• Direct-fit installation using factory mounting points
• Includes all necessary gaskets and hardware
• Manufacturer Part Number: IS-ST-GEN38

Fits 2009-2013 Hyundai Genesis Coupe (2.0T).

The ISR Performance ST Series exhaust is a high-flow, single-exit system designed specifically for the turbocharged 2.0L Genesis Coupe. By transitioning from the restrictive factory dual-path setup to a streamlined single-exit design, this exhaust provides significant weight savings and reduces backpressure for improved turbo response and a deeper, more aggressive exhaust note.

• Mandrel-bent stainless steel piping ensures consistent diameter and maximum exhaust velocity
• Single-exit configuration offers a lightweight alternative to heavier dual-exit systems
• Precision TIG welds provide structural integrity and a clean, professional finish
• Direct bolt-on design utilizes factory mounting locations for straightforward installation
• Manufacturer Part Number: IS-ST-GEN20

Each kit includes the mid-pipe, rear muffler section with a polished tip, and the necessary gaskets and hardware required for a complete installation.

Fits Nissan 240SX (S13 and S14) chassis.

The ISR Performance Solid Steering Shaft Bushing (IS-SSB-NISS) is a direct-replacement upgrade for the soft factory rubber steering coupler. Over time, original equipment rubber bushings degrade and flex, leading to a vague, "mushy" steering feel and reduced precision. This solid coupler replaces that compliant material with a rigid connection, ensuring every input at the steering wheel is transmitted directly to the rack.

Ideal for drifting, road racing, or any application where steering feedback is critical, this solid bushing eliminates the play inherent in the OEM design. It is a simple, bolt-in solution that restores tactile response and improves the connection between the driver and the road.

• Replaces the flexible factory rubber steering coupler
• Eliminates steering shaft play for more precise control
• Improves steering feel and tactile feedback
• Rigid construction for long-term durability in racing environments
• Manufacturer Part Number: IS-SSB-NISS

Upgrade your vehicle's interior and driving ergonomics with the ISR Performance Manual Shift Knob. Featuring a premium titanium finish (Ti Finish), this weighted knob is engineered to provide a more substantial feel in the hand, helping to smooth out gear transitions and improve shift precision during spirited driving.

Constructed for durability and style, this knob serves as a direct replacement for many factory units, offering a clean, motorsport-inspired aesthetic. The weighted core adds momentum to your shifts, reducing the effort required to engage the next gear.

• Weighted design for improved shifting feel and momentum
• Durable titanium-look finish resists wear and oils
• Ergonomic shape for comfortable grip and control
• Simple screw-on installation
• Manufacturer Part Number: IS-SK-TI

Upgrade your vehicle's interior ergonomics and shift feel with the ISR Performance 100mm shift knob. Designed for drivers who demand better leverage and a more accessible reach, this 100mm extended knob reduces the distance between the steering wheel and the shifter, allowing for quicker, more precise gear transitions during spirited driving or track sessions.

• Manufacturer Part Number: IS-SK-100-W
• Length: 100mm for increased leverage and reach
• Finish: Durable black coating for a sleek, understated look
• Ergonomics: Cylindrical profile designed for a comfortable and secure grip

Upgrade your vehicle's interior ergonomics and shifting precision with the ISR Performance 100mm Shift Knob. Designed for drivers who demand better tactile feedback and increased leverage, this 100mm tall knob allows for more effortless gear engagement, making it a popular choice for performance driving and drift applications.

The sleek black finish offers a clean, professional look that fits seamlessly into any cockpit. Its elongated cylindrical profile is engineered to provide a comfortable grip regardless of your hand position, ensuring you never miss a shift during high-intensity driving. This is a direct replacement part designed to install easily onto compatible threaded shifters.

• Manufacturer Part Number: IS-SK-100-B
• Height: 100mm
• Color: Black Finish
• Shape: Cylindrical with ergonomic top radius
• Provides increased leverage for more positive gear changes

Fits 2010+ Hyundai Genesis Coupe models.

The ISR Performance Front Sway Bar End Links are engineered to replace the factory components which are prone to flexing or wearing out under spirited driving conditions. These end links are a critical upgrade for any Genesis Coupe owner looking to restore or improve front-end suspension response. By providing a more rigid connection between the sway bar and the strut, these units ensure that your stabilizer bar can effectively control body roll during cornering.

• Direct-fit replacement for the factory front end links
• Designed to maintain proper sway bar geometry for improved handling
• Heavy-duty construction to withstand higher suspension loads than OE parts
• Compatible with both factory and aftermarket sway bars
• Includes all necessary hardware for a complete installation
• Manufacturer Part Number: IS-SBL-GN

Whether you are maintaining a daily driver or preparing for track use, these ISR Performance links provide the durability and precision required to keep your suspension system performing at its peak.

Specifically designed for the BMW E36 chassis, the ISR Performance Series II MBSE (Mega Blast Single Exit) Rear Section Only is a focused exhaust upgrade for enthusiasts looking to shed weight and improve flow. This component replaces the bulky and restrictive factory rear muffler assembly with a high-flow, straight-through single exit design, delivering a significantly more aggressive exhaust note.

• High-quality stainless steel construction for long-term heat and corrosion resistance
• Precision TIG welds for superior joint strength and durability
• Mega Blast Single Exit (MBSE) design for optimized exhaust scavenging
• Direct-fit rear section retains compatibility with standard mid-sections
• Manufacturer Part Number: IS-S2RO-MBSE-E36

This rear section is an ideal solution for BMW E36 owners who want the signature Series II sound and performance without the need for a full cat-back replacement.

Fits 1995-1998 Nissan 240sx (S14) chassis.

The ISR Performance Series II GT Single Rear Section provides a direct-fit solution for S14 owners looking to refresh or upgrade their exhaust system's rear segment. This component is specifically engineered as a rear-section-only piece, allowing for modular exhaust configuration or repair without replacing the entire cat-back system. Designed with the GT Single styling, it offers a clean, aggressive exit for the S14 chassis while maintaining the precise tolerances required for a hassle-free installation on factory-style hangers.

• Series: Series II
• Style: GT Single Exit
• Component: Rear Exhaust Section Only
• Compatibility: 1995-1998 Nissan 240sx (S14 Chassis)
• Manufacturer Part Number: IS-S2RO-GT-S14

Fits 1989-1994 Nissan 240sx (S13).

The ISR Performance Series II GT Single Rear Section is designed for enthusiasts looking to refine the exhaust note and aesthetic of their S13 chassis. This component serves as a direct rear-section replacement, featuring the signature GT single-exit design. Engineered for a precise fit, it bolts up to existing exhaust components to provide a more aggressive tone and improved exhaust gas flow compared to the factory rear muffler.

• Series II GT Single Rear Section configuration
• Direct bolt-on installation to compatible mid-pipes
• Signature GT-style single exit tip
• Durable construction designed for the rigors of performance driving
• Manufacturer Part Number: IS-S2RO-GT-S13

Fits 1989-1994 Nissan 240SX (S13) models.

The ISR Performance Series II EP Single Rear Section is a modular exhaust component designed specifically for the S13 chassis. This "rear section only" unit is engineered to provide an aggressive exhaust note and high-flow performance, serving as a direct replacement or upgrade for enthusiasts who already have a compatible mid-pipe or are building a custom modular setup.

Built with the precision and durability expected from the ISR Series II line, the EP Single design features a large-diameter exit for optimized flow and the signature aesthetic popular in the drift and tuner community. It bolts directly to factory-style flanges for a straightforward installation.

• Chassis Compatibility: 1989-1994 Nissan 240SX (S13)
• Series: Series II
• Design: EP Single Exit
• Component: Rear Section Only
• Manufacturer Part Number: IS-S2RO-EPS-S13

Fits BMW E36 chassis models.

The ISR Performance Series II EP Dual Rear Section provides a direct-fit solution for BMW E36 owners looking to improve exhaust flow and achieve a more aggressive, resonant exhaust note. This rear section is engineered as a bolt-on upgrade, replacing the heavy and restrictive factory muffler assembly with a high-flow unit featuring the signature EP dual-tip exit.

• Series II EP Dual design with polished tips for a classic, performance-oriented aesthetic
• Precision-welded hangers utilize factory mounting locations for straightforward installation
• High-quality stainless steel construction for long-term durability and corrosion resistance
• Engineered as a rear-section-only component (axle-back) to optimize sound without full system replacement
• Manufacturer Part Number: IS-S2RO-EPD-E36

Fits 1989-1994 Nissan 240SX (S13).

The ISR Performance Series II Resonated Mid Section is engineered specifically for the S13 chassis to refine exhaust acoustics. As a "mid section only" component, it features an integrated resonator designed to cancel out high-frequency rasp and reduce cabin drone, providing a deeper, more controlled tone while maintaining optimal exhaust flow. This is a critical component for owners looking to modularly upgrade or replace specific sections of their Series II exhaust system.

• Manufacturer Part Number: IS-S2RMD-S13
• Chassis Fitment: Nissan 240SX (S13)
• Model Years: 1989-1994
• Type: Resonated Mid Section (Series II)
• Design: High-flow resonated pipe to minimize exhaust drone

Fits 1989-1994 Nissan 240SX (S13).

The ISR Performance Series II Non-Resonated Mid-Section is a direct replacement component engineered for enthusiasts seeking to maximize exhaust flow and achieve a more aggressive, uncorked tone. By eliminating the resonator found in standard mid-sections, this Series II pipe reduces exhaust backpressure and helps shed weight compared to more restrictive factory or resonated configurations.

Fabricated from high-quality stainless steel, this mid-section is designed to fit the S13 chassis exhaust path, ensuring a straightforward installation with existing Series II-compatible components. It is an essential modular piece for fine-tuning the performance and acoustics of your Nissan 240SX exhaust system.

• Manufacturer Part Number: IS-S2NRMD-S13
• Series: Series II
• Type: Non-Resonated Mid-Section
• Chassis Compatibility: Nissan S13 240SX
• Material: Stainless Steel

Fits 1989-1994 Nissan 240SX (S13) chassis.

The ISR Performance Series II GT Single Exhaust System is engineered to provide a high-flow exhaust path while maintaining a refined acoustic profile. This resonated version is specifically designed to minimize the exhaust rasp and cabin drone often associated with larger-diameter single-exit exhausts on the S13 platform, making it a preferred choice for drivers who want performance without an overly abrasive sound.

• Resonated mid-section designed to mellow the exhaust note and reduce drone
• High-flow GT single-exit layout for improved exhaust gas velocity
• Constructed for precision fitment with factory-style hangers
• Durable hardware and flange design for a leak-free seal
• Manufacturer Part Number: IS-S2GTR-S13