The MBRP GP4ACS is a 4-inch universal band clamp engineered to provide a high-integrity, leak-free seal for exhaust pipe and muffler connections. Unlike standard U-bolt clamps that secure joints by crushing the metal, this stainless steel band clamp applies uniform radial pressure. This prevents tube deformation, rippling, or crimping, which is essential for maintaining smooth exhaust flow and ensuring that components can be removed and reinstalled without damaging the pipe ends.

• Material: Corrosion-resistant stainless steel construction
• Diameter: 4-inch (101.6mm) ID for universal exhaust applications
• Design: Provides a positive seal around pipe-to-pipe and pipe-to-muffler joints
• Hardware: Heavy-duty bolt and nut for high-torque clamping force
• Serviceability: Allows for component removal without wrinkling or crimping the exhaust tubing
• Manufacturer Part Number: GP4ACS

Fits 2019-2020 Mercedes-Benz G550 (W463A) Base models.

This Akrapovic Fitting Kit is an essential component designed for the seamless installation of the Evolution Line (S-ME/TI/5) titanium exhaust system on the W463A chassis. Engineering a high-performance exhaust requires precise mounting geometry, and this kit provides the specific hardware necessary to secure the system to factory mounting points while maintaining proper clearance and heat management.

• Required hardware for installing Akrapovic Evolution Line titanium exhaust (S-ME/TI/5)
• Engineered specifically for the Mercedes-Benz G-Class (W463A) platform
• Ensures secure fitment and correct alignment of exhaust components
• Constructed to withstand the high temperatures and vibrations of off-road and street performance
• Includes all necessary brackets and fasteners for a professional-grade installation

Secure your exhaust assembly with the Vibrant Performance Titanium Collector Tab Kit (MPN: 10341). Engineered for high-performance fabrication, this kit is specifically designed for use with Vibrant 2-into-1 Merge Collectors, providing a secure, tension-loaded connection that manages vibration and thermal expansion in high-heat environments.

• Manufacturer Part Number: 10341
• Tab Material: Lightweight Titanium
• Spring Material: Stainless Steel
• Spring Length: 3.5 inches
• Kit Contents: (2) Titanium Weld Tabs and (1) Stainless Steel Spring

These weld tabs are designed for direct integration with titanium exhaust components, ensuring a durable and corrosion-resistant joint for professional-grade turbo manifolds and custom race exhaust systems where weight savings and heat management are critical.

The Vibrant Performance Weld-On Collector Tab Kit is a professional-grade solution for securing slip-fit exhaust collectors and modular exhaust components. This kit allows fabricators to create a secure, tensioned joint that accommodates the thermal expansion and vibration common in high-performance exhaust systems, preventing joint separation without the need for rigid bolting.

Constructed from high-quality stainless steel for excellent weldability and corrosion resistance, these tabs are designed to withstand the extreme heat cycles of a primary header or collector environment. This kit provides the necessary hardware to complete one spring-retained connection.

• Includes two (2) stainless steel weld-on tabs
• Includes one (1) 3.5-inch (3-1/2") heavy-duty tension spring
• Essential for custom headers and slip-fit exhaust junctions
• Stainless steel construction ensures durability and rust resistance
• Manufacturer Part Number: 10340

Fits select 1994-2018 Dodge and Ram 2500 and 3500 trucks (5.9L / 6.7L Cummins).

Secure your exhaust manifold and prevent performance-robbing boost leaks with the Mishimoto Exhaust Manifold Stud Kit. On heavy-duty diesel applications, thermal expansion and high cylinder pressures can lead to manifold warpage or bolt stretching. This kit replaces factory hardware with high-strength, chromium-infused steel studs designed to provide superior clamping force and corrosion resistance.

Installing a manifold and turbocharger is significantly easier with studs, allowing you to hang the heavy components and align gaskets before securing the hardware. The included 12-point nuts provide more contact surface than standard hex heads to prevent rounding during high-torque installation or removal. This kit is a critical upgrade for any Cummins owner looking to ensure long-term reliability and a permanent seal at the cylinder head.

• Manufacturer Part Number: MMEXH-RAM-94SK
• Fits 5.9L and 6.7L Cummins engines (1994-2018)
• Material: High-strength chromium-infused steel
• Hardware: 12-point nuts to prevent rounding
• Increases clamping force to reduce manifold warpage
• Mishimoto Lifetime Warranty included

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)

Fits the 2008 Subaru WRX STi equipped with an Invidia N1 series exhaust system featuring a 101mm tip.

This Invidia N1 silencer is engineered to effectively reduce the sound output and cabin drone of your performance exhaust system. It is an ideal solution for daily driving or meeting local noise ordinances without sacrificing the performance benefits of a high-flow exhaust during track days. The silencer slides directly into the 101mm (approximately 4-inch) exhaust tip and is secured with a single bolt for quick installation and removal.

• Designed specifically for Invidia N1 exhaust systems with 101mm tips
• Provides significant decibel reduction for improved cabin comfort
• Polished stainless steel construction for corrosion resistance
• Removable baffle design allows for easy sound management
• Manufacturer Part Number: N1SILENCER101MM

The Innovate Motorsports exhaust band clamp kit (MPN 3869) is a precision-engineered mounting solution for Type K thermocouple EGT probes. This kit is designed for applications where welding a conventional threaded mounting boss or bung is either not possible or not desired, allowing for a secure, bolt-on installation directly to the exhaust tubing.

Constructed to handle the high thermal stress of exhaust environments, this hardware ensures the probe remains fixed in the exhaust stream for accurate gas temperature monitoring. It is an ideal solution for tuners and builders who need to add instrumentation to existing exhaust systems without specialized welding equipment.

• Compatible with Innovate Motorsports Type K thermocouple EGT probes
• Fits exhaust pipe diameters from 1-9/16" to 2-1/2"
• Includes #32 stainless steel band clamp, mounting base, nut, and brass ferrule
• Eliminates the need for welding during sensor installation
• Manufacturer Part Number: 3869

Protect your wideband oxygen sensor from excessive heat and contaminants with the Innovate Motorsports 1-inch extended weld-on bung. This mild steel fitting is designed specifically for wideband O2 sensor installations where the sensor element needs to be recessed further from the direct exhaust stream.

By increasing the distance between the exhaust gas path and the sensor, this extended bung effectively reduces sensor heat soak and limits exposure to particulates that cause premature fouling. It is a direct replacement for the standard bungs included with Innovate Motorsports wideband kits and is ideal for high-heat turbocharged applications or engines with high carbon output.

• Material: Durable mild steel for easy welding to steel exhaust tubing
• Height: 1-inch extended depth for recessed sensor placement
• Function: Reduces sensor heat soak and potential for element fouling
• Compatibility: Designed for standard wideband O2 sensors used in Innovate Motorsports kits
• MPN: 3839

The Innovate Motorsports 3838 Extended Bung and Plug Kit provides a 1-inch tall mounting solution for wideband O2 sensors. This increased-depth stainless steel weld-in bung is designed for installations requiring reduced sensor heat soak and limited exposure to exhaust gases, effectively extending the service life of the sensor by reducing fouling potential from contaminants.

Constructed from high-grade stainless steel, this kit is the ideal choice for custom stainless exhaust piping where precision air/fuel ratio monitoring is required. The additional depth recesses the sensor tip, protecting it from extreme thermal stress and particulate buildup without sacrificing reading accuracy.

• Material: High-grade Stainless Steel for corrosion resistance and weldability
• Height: 1" (25.4mm) extended depth
• Thread Pitch: M18 x 1.5 standard O2 sensor fitment
• Included Hardware: 1" tall weld bung and matching stainless steel hex-head plug
• Part Number: 3838

The Innovate Motorsports 3835 adapter allows for the installation of a standard 18mm wideband O2 sensor into the smaller 12mm Original Equipment (OE) bungs commonly found on modern motorcycles and ATVs. This high-grade stainless steel component eliminates the need for cutting or welding when installing aftermarket data loggers or air/fuel ratio gauges.

• Precision Fitment: Converts a 12mm x 1.25 bung to an 18mm x 1.5 thread pitch.
• Adjustable Clearance: The 45-degree offset design provides critical clearance in tight exhaust segments, while the integrated locking nut allows for 360-degree rotation to orient the sensor away from frame rails or fairings.
• Durable Construction: Fabricated from stainless steel for corrosion resistance and thermal stability.
• Complete Kit: Includes the adapter and a copper sealing washer (Part #3835).

The Innovate Motorsports 3736 kit features a shallow 0.5-inch stainless steel weld bung and matching plug, specifically engineered for wideband O2 sensor installations. This kit is a premium alternative to the standard 1-inch mild steel bungs, providing a solution for stainless steel exhaust systems and tight-clearance applications.

• Construction: High-grade stainless steel for superior corrosion resistance and welding compatibility with stainless piping.
• Shallow Profile: The 0.5" (1/2 inch) depth allows for better sensor exposure to exhaust gases and provides critical clearance between the sensor and vehicle floorboards or drivetrain components.
• Application: Ideal for custom exhaust builds where a standard bung is too deep or made of incompatible material.
• Compatibility: Designed for use with Innovate Motorsports wideband O2 sensors.
• Includes: (1) Stainless steel weld-on bung and (1) stainless steel hex-head plug.
• Part Number: 3736

The Innovate Motorsports 3735 Mild Steel 1/2" Shallow Bung and Plug Kit provides a low-profile mounting solution for wideband O2 sensors. Designed as a specialized alternative to the standard 1" deep bungs typically included with Innovate kits, this shallow weld-on fitting is engineered for applications where exhaust gas exposure must be maximized or physical clearance is at a premium.

By utilizing a 0.5" depth, this bung allows the sensor element to sit further into the exhaust stream, which is often required for high-heat environments or specific tuning scenarios. The reduced profile also provides essential clearance to prevent the sensor body from contacting floorboards, chassis rails, or drivetrain components in tight engine bays or exhaust tunnels.

• Material: Mild steel construction for reliable welding to steel exhaust tubing
• Depth: 0.5" (Shallow profile)
• Includes: (1) Weld-on bung and (1) matching plug
• Application: Ideal for wideband O2 sensor installations requiring extra clearance
• Manufacturer Part Number: 3735

The Innovate Motorsports HBX-1 Heat-Sink Bung Extender (MPN 3729) is a precision-engineered solution for high-exhaust-gas-temperature (EGT) applications that cause wideband O2 sensor failure or timing errors. Specifically designed for turbocharged, rotary, and other high-performance engines, this extender protects sensitive electronics from thermal damage while maintaining accurate air-fuel ratio readings.

Standard Bosch LSU 4.2 and 4.9 sensors are rated for a maximum EGT of 1,700°F (930°C) and a housing temperature of 1,058°F (570°C) at the hex. When these thermal limits are exceeded, Innovate controllers typically display an "08- Sensor Timing Error." The HBX-1 addresses this by relocating the sensor away from the direct high-heat path without sacrificing signal integrity.

• Thermal Protection: Pulls the sensor 1.1875" (30mm) out of the original weld boss to significantly reduce applied temperatures.
• Integrated Heat Sink: Features a specialized finned design to dissipate heat away from the sensor housing.
• Maintains Accuracy: Precision-machined to ensure correct exhaust gas flow to the sensing element for reliable data.
• Compatibility: Optimized for Bosch LSU 4.2 and LSU 4.9 wideband sensors used in Innovate Motorsports kits.
• MPN: 3729

The Innovate Motorsports 3728 is a patent-pending, tapped exhaust clamp designed for professional tuners and enthusiasts who need to obtain precise lambda measurements without welding a permanent O2 sensor bung. This clamp is engineered specifically for temporary installations on non-catalyst vehicles or stationary engines where a temporary tailpipe probe is required.

By utilizing a specialized Venturi-effect design, this tool ensures the oxygen sensor receives a consistent and representative exhaust sample, effectively minimizing outside air contamination even at lower exhaust velocities. This makes it an essential component for portable dyno tuning and diagnostic air/fuel ratio monitoring.

• Manufacturer Part Number: 3728
• Design: Tapped for standard O2 sensor threads with Venturi-effect sampling
• Application: Ideal for temporary installations on non-catalytic engines
• Function: Facilitates accurate lambda/AFR readings from the tailpipe
• Construction: Durable metal clamp with integrated sensor mount

The Akrapovic P-MF1051 fitting kit is an essential component for installing an Akrapovic aftermarket exhaust system on your 2024 and newer Porsche Panamera (976) V8 model. This kit ensures proper fitment and secure mounting, providing all necessary hardware and adapters not typically included with the main exhaust system.

Engineered to integrate seamlessly with Akrapovic exhaust components and the vehicle's factory mounting points, this mandatory kit is crucial for a complete and reliable installation. It helps achieve the precise alignment and secure connection required for optimal exhaust performance and longevity.

• Manufacturer Part Number: P-MF1051
• Application: Mandatory for Akrapovic exhaust systems on Porsche Panamera (976) V8 models
• Model Year: 2024+