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

The ISR Performance Series II GT Single Exhaust System is engineered for enthusiasts seeking a raw, aggressive exhaust note and maximum exhaust flow. This non-resonated version removes the mid-pipe resonator to reduce weight and provide a more visceral sound profile compared to standard resonated systems. Designed as a high-flow single-exit solution, it optimizes exhaust gas velocity, making it an ideal choice for both naturally aspirated and turbocharged S-chassis builds.

• Series II GT single-exit configuration
• Non-resonated mid-pipe for aggressive tone and weight reduction
• Precision-welded stainless steel construction
• Direct bolt-on fitment using factory exhaust hanger locations
• Manufacturer Part Number: IS-S2GTNR-S13

Fits 1989-1998 Nissan 240SX S13 and S14 chassis.

The ISR Performance Pro Series Rear Upper Control Arm (RUCA) is a critical upgrade for enthusiasts looking to maintain proper suspension geometry on lowered vehicles. By providing a wide range of camber adjustment, these arms allow you to correct the aggressive negative camber that occurs after lowering, ensuring a proper tire contact patch for improved traction and more even tire wear.

• Designed for precise rear camber adjustment on street and track applications
• Pro Series heavy-duty construction for increased durability and rigid handling
• Replaces restrictive factory bushings to minimize deflection under load
• Essential for optimizing alignment settings on S13 and S14 chassis
• Manufacturer Part Number: IS-RUCA-NS134-PRO

Fits 1989-1998 Nissan 240SX S13 and S14 models.

The ISR Performance Rear Upper Control Arm (RUCA) is a critical suspension component for S-chassis owners looking to optimize their vehicle's alignment geometry. When lowering a 240SX, the factory fixed-length arms often result in excessive negative camber that cannot be corrected with OEM hardware. These adjustable units allow you to dial in precise camber settings, ensuring a proper tire contact patch for improved traction and more even tire wear across the tread.

• Provides necessary rear camber adjustability for lowered S13 and S14 chassis
• Replaces restrictive factory stamped-steel arms to improve suspension response
• Essential for maintaining proper alignment on street, drift, or track setups
• Designed for direct bolt-on installation using factory mounting points
• Manufacturer Part Number: IS-RUCA-NS134

Fits Nissan 350Z and Infiniti G35. The ISR Performance Rear Traction Rod (IS-RTR-Z33) is a critical component for drivers looking to fine-tune rear suspension geometry, particularly on lowered vehicles. These adjustable arms allow you to control the fore and aft movement of the rear knuckle, effectively managing the suspension arc and reducing unwanted "bump steer" characteristics during compression.

By replacing the compliant factory bushings with these rigid, adjustable units, you gain more predictable handling and improved stability under hard acceleration and cornering. These are essential for maintaining an optimal contact patch and preventing erratic toe changes on track-driven or stance-oriented Z33 and V35 chassis.

• Direct replacement for OEM rear traction rods
• Fully adjustable to correct suspension geometry and bump steer
• Heavy-duty construction designed for track and street use
• Improves chassis feedback and rear-end predictability
• Manufacturer Part Number: IS-RTR-Z33

Fits Nissan 240SX (S13 and S14) and 300ZX.

The ISR Performance Pro Series Rear Traction Rods (MPN: IS-RTR-NS134-PRO) are engineered to stabilize and optimize rear suspension geometry on lowered S-Chassis and Z-Chassis vehicles. By replacing the flexible factory units with high-strength adjustable arms, these rods eliminate unwanted deflection and help maintain consistent alignment settings during hard cornering and acceleration.

• Pro Series features heavy-duty spherical pillow ball ends for maximum rigidity and zero deflection
• Reduces bump steer to improve predictability and rear-end traction
• Fully adjustable length allows for precise tuning of the rear suspension arc
• Direct bolt-on replacement for factory traction rods
• Manufacturer Part Number: IS-RTR-NS134-PRO

Fits 1989-1998 Nissan 240SX (S13/S14) and 1990-1996 Nissan 300ZX (Z32).

ISR Performance Rear Traction Rods are designed to help enthusiasts fine-tune their suspension geometry, specifically for lowered vehicles. These rods allow for precise adjustment of the rear multi-link setup to minimize bump steer and maintain a more consistent alignment under hard cornering or acceleration.

Each rod is built for the rigors of performance driving, replacing the compliant factory rubber bushings with high-strength rod ends. This upgrade provides significantly more direct feedback to the driver and ensures that alignment settings remain stable under load, making them a staple for drift, track, or spirited street builds.

• Corrects rear suspension geometry and reduces bump steer on lowered vehicles
• Adjustable length for precise alignment and handling customization
• Heavy-duty construction designed for high-performance track and street use
• Equipped with spherical rod ends for improved response and durability
• Manufacturer Part Number: IS-RTR-NS134

Fits Nissan 350Z (2003-2009) and 370Z (2009-2020) models.

The ISR Performance Rear Bucket Delete Toe Arm is an essential suspension upgrade for Nissan Z-chassis owners converting to a "true" rear coilover setup. By replacing the bulky factory rear spring bucket, these arms allow you to run a spring-over-shock coilover configuration while regaining the precise toe adjustability required for lowered ride heights and aggressive alignment settings.

Constructed for high-stress environments, these arms replace soft factory bushings with rigid hardware to eliminate deflection and maintain consistent geometry under load. They are a direct replacement for the OEM bucket arm, providing the clearance needed for aftermarket suspension components and the adjustment range necessary to optimize your tire contact patch.

• Manufacturer Part Number: IS-RTC-Z334
• Replaces OEM rear spring bucket for "true" coilover conversions
• Provides significantly more toe adjustment than factory eccentric bolts
• High-quality rod ends for reduced deflection and improved steering response
• Designed specifically for Nissan Z33 and Z34 chassis

Fits 1989-1998 Nissan 240SX (S13/S14) models.

The ISR Performance Pro Series Rear Angled Toe Control Rods provide the precise adjustment required to correct rear alignment geometry on lowered vehicles. Designed with a specific angled bend, these rods offer increased clearance to prevent contact with the subframe and suspension components during aggressive travel or at extreme ride heights. By replacing the compliant factory rubber bushings with heavy-duty spherical rod ends, these Pro Series arms eliminate unwanted deflection for more predictable handling and improved stability.

• Angled rod design provides maximum clearance for lowered S-chassis vehicles
• Durable spherical rod ends for precise alignment and reduced deflection
• Corrects rear toe settings to optimize tire contact and vehicle stability
• Heavy-duty construction suited for track and performance street use
• Direct bolt-on replacement for the factory rear toe arms
• Manufacturer Part Number: IS-RTC-NS134-PRO-A

Fits 1989-1998 Nissan 240SX (S13 and S14 chassis).

When lowering a Nissan S-chassis, the factory eccentric bolts often lack the adjustment range needed to bring the rear alignment back to specification. ISR Performance Pro Series Rear Toe Control Rods replace the soft, rubber-bushed factory arms with a high-strength, adjustable alternative designed for the rigors of drifting and track use.

These Pro Series rods feature heavy-duty construction and high-quality spherical rod ends, eliminating the deflection found in OEM bushings for more predictable suspension geometry and improved tire contact. Whether you are correcting alignment on a slammed street car or fine-tuning toe-in for high-speed stability on the track, these rods provide the precision required.

• Part Number: IS-RTC-NS134-PRO
• Adjustable length to correct toe settings on lowered vehicles
• High-strength spherical rod ends for reduced deflection
• Heavy-duty construction suitable for competition use
• Direct bolt-on replacement for factory rear toe arms

The ISR Performance Rear Bucket Delete Toe Arm is an essential suspension component for Infiniti G37 Coupe owners converting to a "true" rear coilover setup. In a true coilover configuration, the rear spring is moved to the damper assembly, rendering the bulky factory spring bucket obsolete. This arm replaces that factory bucket, allowing for precise rear toe adjustment and significant weight reduction.

Built to withstand the rigors of track use and aggressive street driving, these arms feature high-strength construction and spherical rod ends to eliminate the deflection found in factory rubber bushings. The adjustable turnbuckle design allows for fine-tuning of the rear alignment, which is critical for maintaining a proper contact patch on lowered vehicles.

• Fits Infiniti G37 Coupe
• Required for vehicles using "true" rear coilovers (spring on shock)
• Replaces the heavy OEM rear spring bucket
• Provides expanded toe adjustment range for improved alignment accuracy
• Features spherical bearings for reduced deflection
• Manufacturer Part Number: IS-RTC-G37

Designed specifically for Nissan SR20DET engines, the ISR Performance Silicone Radiator Hose Kit (IS-RH-SR-BLK) provides a durable, high-performance replacement for aging factory rubber. While OEM hoses are prone to becoming brittle and cracking after years of heat cycling, these multi-layer reinforced silicone hoses are engineered to withstand higher temperatures and increased cooling system pressures without swelling or leaking.

• Direct fit for Nissan SR20DET engines
• Multi-layer reinforced silicone construction for superior burst pressure resistance
• Thermal stability prevents degradation from engine heat and cooling additives
• Black finish for a discreet, professional engine bay appearance
• Includes upper and lower radiator hoses
• Manufacturer Part Number: IS-RH-SR-BLK

Upgrade your cooling system with the ISR Performance silicone radiator hose kit, engineered specifically for the Nissan RB25DET engine. These hoses are a direct-fit replacement for factory rubber components that often become brittle, crack, and fail after years of heat cycles. Constructed from high-temperature, multi-layer reinforced silicone, this kit is designed to withstand the increased pressures and thermal demands of high-performance driving.

• Direct replacement for OEM rubber radiator hoses on Nissan RB25DET engines
• Multi-layer reinforced silicone construction for superior pressure resistance
• Designed to withstand higher operating temperatures than factory rubber
• Durable blue finish provides a clean, professional look in the engine bay
• Includes necessary upper and lower radiator hoses
• Manufacturer Part Number: IS-RH-RB25-BLU

Upgrade your cooling system with the ISR Performance Silicone Radiator Hose Kit, specifically engineered for Nissan RB25DET engines. Standard OEM rubber hoses are prone to drying out, cracking, and eventual failure due to heat cycles and engine bay temperatures. This kit provides a durable, high-performance alternative designed to withstand higher pressures and temperatures without degrading.

Constructed from multi-layer reinforced silicone, these hoses offer superior heat resistance and structural integrity compared to factory components. The direct-fit design ensures a straightforward installation onto the factory radiator and engine water necks, making it an essential preventative maintenance item for both street and track-driven RB25DET applications.

• Engine Application: Nissan RB25DET
• Material: Multi-layer high-temperature reinforced silicone
• Color: Black
• Configuration: Upper and lower radiator hoses
• Replaces prone-to-fail factory rubber hoses
• Manufacturer Part Number: IS-RH-RB25-BLK

Designed for enthusiasts performing an LS-series V8 engine conversion, the ISR Performance Silicone Radiator Hose Kit provides the necessary cooling plumbing for a Nissan 350Z LSx swap. These hoses are engineered to withstand the higher temperatures and pressures associated with high-performance V8 powerplants, replacing standard rubber hoses that can degrade over time.

• Specifically tailored for Nissan 350Z chassis with LSx engine swaps
• Constructed from high-grade multi-layer silicone for maximum durability
• Superior heat and pressure resistance compared to factory rubber components
• Ensures reliable coolant flow under demanding driving conditions
• Manufacturer Part Number: IS-RH-LS350

Fits Nissan 240sx equipped with KA24 engines.

Upgrade your cooling system's reliability with the ISR Performance Silicone Radiator Hose Kit. Standard rubber hoses become brittle and prone to cracking over time, especially under the high-stress conditions found in performance driving. This kit provides a direct-fit replacement for the factory upper and lower hoses, utilizing multi-layer silicone to withstand significantly higher temperatures and pressures than OEM rubber.

The reinforced construction ensures the hoses maintain their shape and won't collapse under vacuum or expand under load. Finished in a vibrant blue, this kit is an essential preventative maintenance item for any KA24-powered chassis, whether it's a daily driver or a track-built S-chassis.

• Direct replacement for factory Nissan 240sx radiator hoses
• Multi-layer silicone construction for superior heat and pressure resistance
• Designed for KA24 engines
• Durable blue finish
• Manufacturer Part Number: IS-RH-KA-BLU

Fits 2013+ Hyundai Veloster Turbo models.

The ISR Performance Race Exhaust is engineered to maximize exhaust flow and provide a raw, aggressive acoustic profile for the Veloster Turbo chassis. This system replaces the restrictive factory muffler assembly with high-flow, mandrel-bent piping to reduce backpressure, allowing the turbocharger to spool more efficiently and improving throttle response.

• Direct bolt-on installation utilizing factory hanger locations
• Mandrel-bent stainless steel construction for optimized exhaust gas velocity
• Straight-through race design for maximum weight savings and flow
• Polished finish for superior corrosion resistance
• Includes all necessary gaskets and hardware required for a complete install
• Manufacturer Part Number: IS-RCE-VT

Fits 2016-2024 Mazda Miata ND models.

The ISR Performance Race Muffler Delete is a direct-replacement component designed to eliminate the heavy factory rear muffler assembly. This race-series exhaust upgrade provides an aggressive, unrestricted exhaust note while significantly reducing vehicle weight by removing the bulky OE silencer. Engineered for enthusiasts who prioritize performance and sound, this unit bolts directly to the factory mid-pipe mounting location for a straightforward installation.

• Direct bolt-on installation using factory exhaust hangers
• Significant weight savings over the factory muffler unit
• Provides an aggressive, high-flow race exhaust tone
• Performance-grade piping with precision-welded flanges
• Manufacturer Part Number: IS-RCE-NDMD

Fits 2006-2013 Mazda Miata NC.

The ISR Performance Race Muffler Delete is a direct bolt-on replacement for the heavy factory muffler assembly on the third-generation Mazda Miata. Designed specifically for the NC chassis, this Race series component eliminates the restrictive OEM muffler to significantly reduce vehicle weight and provide a much more aggressive exhaust note.

• Direct bolt-on installation to factory exhaust hangers
• Race series design for maximum exhaust volume and flow
• Substantial weight reduction compared to the bulky factory muffler
• Includes a polished exhaust tip for an upgraded performance appearance
• Manufacturer Part Number: IS-RCE-NCMD

Fits 2009-2013 Hyundai Genesis Coupe (V6-3.8L).

The ISR Performance Race Exhaust is engineered to provide a raw, aggressive exhaust note and maximum flow for the 3.8L V6 Genesis Coupe. Designed for enthusiasts seeking a visceral driving experience, this system replaces restrictive factory components with a high-flow race-spec design. By optimizing the exhaust path, it reduces backpressure and offers significant weight savings over the heavy original equipment.

• Manufacturer Part Number: IS-RCE-GEN38
• Series: Race
• Application: Performance exhaust system for V6-3.8L models
• Installation: Engineered for direct fitment on the 2009-2013 chassis
• Performance: Lightweight construction with high-clearance piping

Fits 2009-2016 Hyundai Genesis Coupe (2.0T).

The ISR Performance Race Exhaust is engineered for owners seeking a raw, aggressive exhaust note and maximum flow for the 2.0L turbocharged engine. This system replaces the restrictive factory exhaust components with high-flow piping designed to reduce backpressure and improve turbo spool-up and throttle response. Built to withstand spirited driving, it features a straightforward bolt-on design that utilizes factory mounting points for a secure and precise fit.

• Series: Race Exhaust
• Material: High-quality stainless steel construction
• Installation: Direct bolt-on to factory hangers
• Fitment: 2009-2016 Hyundai Genesis Coupe 2.0T
• Manufacturer Part Number: IS-RCE-GEN20

Fits Nissan 350Z and Infiniti G35.

The ISR Performance Rear Camber Kit (IS-RCA-Z334) provides the necessary adjustment range to correct rear suspension geometry, specifically for lowered vehicles. When lowering these chassis, the factory eccentric bolts often lack sufficient travel to return the rear camber to OEM specifications, leading to premature tire wear and a reduced contact patch. These adjustable arms replace the factory units to allow for precise alignment tuning on the street or track.

• Enables precise rear camber adjustment to improve handling and tire life
• Heavy-duty construction designed to withstand high suspension loads
• High-quality bushings for improved road feel and reduced deflection
• Direct bolt-on replacement for factory rear camber arms
• Manufacturer Part Number: IS-RCA-Z334

Fits 2014+ Infiniti Q50 and 2017+ Q60 models.

The ISR Performance Rear Camber Arm provides the necessary adjustability to correct rear suspension geometry on lowered Infiniti platforms. When these vehicles are lowered, the factory eccentric bolts often lack the adjustment range needed to return the rear wheels to OEM specifications, resulting in excessive negative camber and premature tire wear.

These adjustable arms allow for precise alignment settings, ensuring a proper tire contact patch for improved handling and longevity. Designed as a direct bolt-on replacement for the factory rear camber link, they offer increased rigidity and a greater range of movement for dialed-in fitment on the street or track.

• Direct replacement for OEM rear camber arms
• Provides wide range of camber adjustment to correct suspension geometry
• Essential for lowered vehicles to prevent uneven tire wear
• Heavy-duty construction for improved rigidity over factory components
• Manufacturer Part Number: IS-RCA-Q60

Correct your suspension geometry and eliminate uneven tire wear with these ISR Performance Rear Camber Arms. Designed specifically for the Infiniti G37 Coupe, these adjustable arms are a critical upgrade for lowered vehicles where factory adjustment is no longer sufficient to bring the rear wheels back into proper alignment specification.

By replacing the fixed-length factory arms, these units provide the range of motion needed to dial in your camber settings for better traction, more predictable handling, and increased tire longevity. Whether you are correcting the stance of a daily driver or fine-tuning a track-focused setup, these arms offer the durability and precision required for performance use.

• Specifically engineered for the Infiniti G37 Coupe
• Provides essential camber adjustment for lowered suspension setups
• Heavy-duty construction helps eliminate flex and maintain alignment settings
• Helps prevent premature tire wear caused by excessive negative camber
• Manufacturer Part Number: IS-RCA-G37

The ISR Performance Exhaust Y-Pipe is engineered to optimize exhaust scavenging and flow for the Infiniti Q50 and Q60 RWD platforms. This component serves as a critical junction in the exhaust system, merging flow from the downpipes to reduce backpressure and enhance the overall efficiency of the 3.0T engine.

Fits RWD Infiniti Q50 and Q60 (3.0T).

• Precision engineered for direct bolt-on fitment for RWD models
• Designed to maximize exhaust gas velocity and reduce restriction
• Replaces the factory Y-pipe to provide a more aggressive exhaust note
• Manufacturer Part Number: IS-Q5060-Y

The ISR Performance High Pressure Power Steering Line is a specialized upgrade for the Nissan 350Z designed to replace the failure-prone factory rubber hose. On the Z33 chassis, the original high-pressure line often develops leaks at the crimp points due to heat cycles and the increased hydraulic demands of performance driving or drifting.

This replacement line is engineered to withstand higher operating temperatures and pressures than the OE component, ensuring consistent steering assist and preventing messy, hazardous fluid leaks in the engine bay. It features a high-strength construction and comes with the necessary fittings to bolt directly into the factory power steering rack and pump locations.

• Direct replacement for the Nissan 350Z factory high-pressure power steering hose
• Designed to eliminate common leak points found in aging OEM rubber lines
• Built to handle high-pressure hydraulic demands and engine bay heat
• Specific fitment for the Z33 chassis
• Manufacturer Part Number: IS-PSH-N-350Z

Fits 2003-2009 Nissan 350Z (Z33) models.

The ISR Performance Pro Series Coilovers provide a comprehensive suspension upgrade for the Nissan Z33 chassis, offering precision-tuned handling and adjustable ride height. Designed to replace factory dampers and springs, this kit allows drivers to fine-tune their vehicle's stance and damping response for improved cornering performance and stability.

• Independently adjustable ride height via the shock body to maintain full stroke
• Adjustable dampening settings for customized rebound and compression
• Engineered specifically for the 350Z suspension geometry for a direct-bolt installation
• High-quality materials designed for consistent performance and longevity
• Complete kit includes front and rear coilovers and adjustment wrenches
• Manufacturer Part Number: IS-PRO-Z33

Fits 1989-1993 Nissan 240SX (S13) models.

The ISR Performance Pro Series Coilovers are engineered to provide a significant handling upgrade for the S13 chassis, bridging the gap between daily street use and aggressive track performance. By replacing the factory strut assemblies with a sophisticated mono-tube damper design, these coilovers offer improved heat dissipation and more consistent valving under heavy loads. The Pro Series is designed with a larger oil capacity and a valving profile that remains composed during high-frequency bumps and hard cornering.

• Precision Tuning: Features 32 levels of dampening adjustment, allowing drivers to dial in the rebound and compression settings for specific track conditions or street comfort.
• Height Adjustability: Independent ride height adjustment allows you to lower the vehicle's center of gravity without compromising suspension stroke or spring preload.
• Enhanced Control: Front pillow ball upper mounts with integrated camber plates provide direct steering feedback and allow for precise alignment adjustments.
• Durability: High-grade components including thrust bearings and robust brackets ensure long-term reliability and reduced spring binding.

• Spring Rates: 8kg/mm (Front) / 6kg/mm (Rear)
• Damper Type: Mono-tube
• Dampening: 32-Way Adjustable
• MPN: IS-PRO-S13

The ISR Performance Pro Series Coilovers provide a comprehensive suspension upgrade for the 2010+ Hyundai Genesis Coupe, replacing worn or soft factory struts with a high-performance mono-tube system. These coilovers are designed to improve handling precision and cornering stability while allowing owners to achieve their desired ride height through independent adjustment points.

• Fits all 2010+ Hyundai Genesis Coupe models.
• Mono-tube shock design for consistent damping performance and efficient heat dissipation.
• Independent ride height and spring preload adjustments allow for a customized stance without sacrificing damper travel.
• Adjustable damping settings to fine-tune the balance between street comfort and track stiffness.
• Includes high-strength mounting brackets and hardware for a secure installation to factory mounting points.
• Manufacturer Part Number: IS-PRO-GNCP

Fits 2013-2024 Subaru BRZ, Scion FR-S, and Toyota GT86/GR86.

The ISR Performance OMS Spec Burnt Tip Exhaust is engineered for enthusiasts seeking a balance of aggressive acoustics and optimized exhaust flow. As part of the Over Mountain Special (OMS) line, this system focuses on reducing backpressure and shedding weight compared to the restrictive factory setup. Constructed from high-quality stainless steel with precision mandrel bends, it ensures consistent pipe diameter throughout for maximum velocity.

This system features a signature burnt tip finish, providing a distinct aesthetic that complements the rear diffuser of the ZN6 and ZN8 chassis. It is a direct bolt-on replacement, utilizing factory hanger locations for a straightforward installation process that requires no permanent vehicle modification.

• Series: OMS Spec (Over Mountain Special)
• Material: High-quality stainless steel
• Finish: Polished with Burnt Exhaust Tips
• Installation: Direct bolt-on to factory mounting points
• Manufacturer Part Number: IS-OMS-GT86

Fits 2003-2009 Nissan 350Z (Z33) models.

The ISR Performance OMS Spec Exhaust is engineered for enthusiasts seeking a balance of high-flow performance and premium aesthetics. This cat-back system utilizes precision-bent piping to minimize backpressure and optimize exhaust gas velocity, improving throttle response and providing a deep, aggressive tone throughout the powerband. The OMS Spec is distinguished by its high-quality carbon fiber exhaust tips, which provide a modern, race-inspired finish while offering excellent heat resistance.

• Precision-bent tubing for maximized exhaust flow and reduced turbulence.
• Premium carbon fiber exhaust tips for a high-end, custom look.
• Designed as a direct bolt-on replacement for the factory exhaust system.
• Includes all necessary hardware and gaskets for a complete installation.
• Manufacturer Part Number: IS-OMS-350Z-CT