Fits 2008-2013 BMW M3 (E92/E93).

This Akrapovic adapter is specifically engineered for the installation of the ME-BM/T/2 Evolution Link pipe set on the E92 and E93 chassis BMW M3. As a critical component for completing your high-performance exhaust system, this adapter ensures a precise, leak-free connection between the link pipes and the vehicle's exhaust path. Manufactured to the same exacting tolerances as the rest of the Akrapovic lineup, it maintains optimal flow and structural integrity under high heat and vibration.

• Designed exclusively for use with Akrapovic part number ME-BM/T/2
• Constructed for superior corrosion resistance and durability
• Ensures perfect alignment for a seamless exhaust installation
• Maintains factory-level fitment for 2008-2013 BMW M3 models

Fits 2016 Infiniti Q50 Red Sport 400 RWD.

The Revel mid-pipe is engineered to enhance the exhaust flow and acoustic profile of your Infiniti Q50. By replacing the restrictive factory mid-section, this component reduces backpressure, allowing the twin-turbocharged engine to breathe more freely. This results in improved throttle response and a more pronounced, sporty exhaust note during acceleration without compromising daily drivability.

• Designed specifically for the RWD Red Sport 400 drivetrain for precise fitment
• Mandrel-bent tubing ensures consistent diameter throughout the bends for maximum flow
• Direct bolt-on replacement for the OE mid-section
• Optimizes exhaust scavenging to support better engine efficiency
• Uses factory-style mounting points for a secure, rattle-free installation

Fits 2008-2012 Infiniti G37 Coupe. This Revel Mid Pipe is engineered to replace the restrictive factory mid-section, reducing backpressure and improving exhaust flow for better throttle response and a more refined exhaust note. Constructed with mandrel-bent tubing to maintain a consistent diameter throughout the bends, it ensures maximum scavenging efficiency.

• Direct-fit installation using factory mounting locations and hangers
• Mandrel-bent stainless steel construction for durability and corrosion resistance
• Optimizes exhaust gas velocity for improved performance across the RPM range
• Designed for a precise seal with both OEM and compatible aftermarket exhaust components
• Retains factory-like fitment without the need for cutting or welding

The MBRP T409 universal exhaust adapter provides a professional-grade transition for custom exhaust systems and repairs. This adapter features a 4-inch inside diameter (ID) on one end and a 5-inch inside diameter on the other, allowing you to bridge different pipe sizes while maintaining structural integrity and exhaust flow.

Built to withstand high-heat environments, this 7-inch long adapter is an essential component for fabricators working on heavy-duty diesel or sport truck exhaust projects. The expansion is designed to slide over existing piping for a secure fitment during welding or clamping.

• Part Number: T409
• Inlet Size: 4" ID
• Outlet Size: 5" ID
• Overall Length: 7"
• Configuration: Universal Adapter

This MBRP universal exhaust adapter provides a secure, leak-free transition between different pipe diameters in your performance exhaust system. Specifically engineered to bridge a 4-inch ID pipe to a 5-inch OD pipe, this component is essential for custom exhaust fabrication or connecting mismatched piping sections.

Constructed from T409 stainless steel, the adapter offers reliable durability and heat resistance designed to withstand the harsh conditions of the exhaust stream. The 7-inch overall length provides ample surface area for secure clamping or welding, ensuring a stable connection that maintains optimal flow integrity.

• Material: T409 Stainless Steel
• Inlet Diameter: 4-inch ID (Inside Diameter)
• Outlet Diameter: 5-inch OD (Outside Diameter)
• Total Length: 7 inches
• Fitment: Universal
• Manufacturer Part Number: AdapterT409

This MBRP universal exhaust adapter provides a reliable transition for custom exhaust fabrication and system repairs. Engineered to bridge the gap between different tubing sizes, it allows for a secure connection from a 3.5-inch inner diameter (ID) pipe to a 4-inch outer diameter (OD) component.

Constructed from aluminized steel, this adapter offers the durability required for exhaust environments while providing a cost-effective solution for builders and technicians. Its universal design makes it a versatile component for various automotive applications where custom plumbing or component matching is necessary.

• Product Type: Universal Exhaust Adapter
• Material: Aluminized Steel
• Connection A: 3.5-inch ID (Inner Diameter)
• Connection B: 4-inch OD (Outer Diameter)
• Application: Universal fitment for custom exhaust systems
• Designed for use with 3.5-inch and 4-inch hardware

This MBRP universal exhaust adapter provides a reliable transition between different piping diameters, specifically designed to connect 3.5-inch OD piping to a 5-inch ID component. Built to withstand the rigors of the exhaust environment, this adapter is a versatile solution for custom exhaust fabrication, repairs, or performance upgrades.

Fabricated from heavy-duty aluminized steel, this component offers excellent corrosion resistance and structural integrity. Its precise sizing ensures a tight fit for either weld-on or clamp-on installations, making it an essential piece for diesel enthusiasts and custom builders looking to optimize exhaust flow through various pipe sizes.

• Material: Heavy-duty aluminized steel
• Adapter Size: 3.5-inch OD to 5-inch ID
• Application: Universal fitment for custom exhaust systems
• Configuration: Smooth transition for minimized backpressure
• Versatility: Compatible with most heavy-duty and performance exhaust hardware

Streamline your custom exhaust fabrication with this MBRP universal adapter. This component provides a precise transition between 4-inch and 5-inch exhaust sections, allowing you to bridge different pipe diameters without the need for specialized bending equipment. It is engineered for a secure fitment in performance exhaust systems, whether you are completing a custom build or modifying an existing setup.

Constructed from heavy-duty aluminized steel, this adapter is designed to withstand the high temperatures and corrosive environment of automotive exhaust. The aluminized coating provides a protective layer to extend the service life of the part, making it a reliable choice for both diesel and gas applications.

• Inlet Size: 4" ID (Inner Diameter)
• Outlet Size: 5" ID (Inner Diameter)
• Material: Durable Aluminized Steel
• Configuration: Slip-fit for easy installation
• Fitment: Universal application for custom exhaust systems

This MBRP universal exhaust adapter provides a precision-engineered solution for transitioning between pipe sizes in custom exhaust systems. Designed to connect 3.5-inch ID piping to a 5-inch OD component or exhaust tip, this adapter is essential for fabrication projects on diesel and sport truck applications where increasing flow or aesthetic diameter is required.

• Durable Construction: Fabricated from aluminized steel to provide a reliable balance of corrosion resistance and value.
• Precise Dimensions: Features a 3.5-inch Inside Diameter (ID) for standard slip-fit connections to 5-inch Outside Diameter (OD) piping.
• Universal Application: Engineered to work across various exhaust configurations regardless of the original system size.
• Fitment: Fits universal 3.5-inch to 5-inch transitions; professional welding or high-quality clamps recommended for installation.

This MBRP universal exhaust adapter provides a precision-engineered transition for custom exhaust fabrication and system modifications. Designed to bridge the gap between different tubing sizes, it allows for a secure connection between a 4-inch ID pipe and a 5-inch OD component.

Constructed from aluminized steel, this adapter offers a balance of durability and corrosion resistance, making it a reliable choice for diesel and sport truck applications. Whether you are building a custom system from scratch or adapting existing components, this hardware ensures a proper fit without the need for extensive pipe expansion or reduction.

• Inlet Size: 4-inch ID (Inner Diameter)
• Outlet Size: 5-inch OD (Outer Diameter)
• Material: Aluminized Steel
• Design: Universal fitment for custom exhaust systems
• Build: Heavy-duty construction for high-heat applications

This MBRP universal exhaust adapter provides a reliable transition for custom exhaust configurations. Constructed from T409 stainless steel, it is engineered to withstand high temperatures and resist corrosion, making it a more durable solution than standard aluminized steel for performance diesel or sport truck applications.

Designed for versatility in the shop or on the driveway, this adapter features a 3.5-inch Inner Diameter (ID) on one end and a 4-inch Outer Diameter (OD) on the other. This allows for precise fitment when connecting different pipe sizes or integrating custom mufflers and hardware into your existing system.

• Material: T409 Stainless Steel
• Inlet Dimension: 3.5" ID (Inner Diameter)
• Outlet Dimension: 4" OD (Outer Diameter)
• Fitment: Universal application for custom exhaust systems
• Durability: High-heat and corrosion resistant construction

Fits select 2003-2007 Ford F-250 and F-350 Super Duty trucks (6.0L).

This MBRP adapter is engineered to ensure a precise fit for exhaust system installations on Regular Cab 6.0L Powerstroke trucks. Because wheelbases vary between cab configurations, this specialized adapter provides the necessary length and alignment to complete your exhaust setup without custom fabrication. Built from T409 stainless steel, it offers excellent heat resistance and durability under harsh driving conditions.

Every adapter is jig-manufactured for high-tolerance accuracy, ensuring it bolts up correctly to your exhaust components. By maintaining a smooth, unrestricted exhaust path, this component supports efficient gas evacuation, helping to lower exhaust gas temperatures (EGTs) and recover power lost to restrictive factory piping.

• Designed specifically for 2003-2007 Ford Regular Cab configurations
• Durable T409 stainless steel construction
• Jig-manufactured for guaranteed fitment accuracy
• Optimized flow helps reduce EGTs and improve engine efficiency

Fits select 2002-2020 Subaru Baja, Forester, Impreza, Legacy, Outback, WRX, and WRX STI.

The Torque Solution TS-SU-479 adapter provides a precision-engineered solution for mating a factory downpipe to a 3-inch aftermarket catback exhaust system. The OEM Subaru downpipe utilizes a smaller diameter and a donut-style gasket, while most performance catbacks feature a flat, 3-inch flange. Bolting these two disparate surfaces together without an adapter typically results in persistent exhaust leaks and poor alignment.

This adapter bridges that gap, ensuring a smooth transition and a leak-free seal. It is a critical component for enthusiasts who want to upgrade their exhaust sound and flow while retaining the stock downpipe. Designed for easy installation, it eliminates the need for custom fabrication or modification of the factory components.

• Bridges the gap between OEM donut-style downpipes and 3" flat-flange catbacks
• Ensures a leak-free exhaust seal and proper flange alignment
• Compatible with factory downpipe hardware
• Manufacturer Part Number: TS-SU-479

Fits select 2002-2021 Subaru Impreza, WRX, STI, Forester, Legacy, Outback, and Baja models. This Mishimoto Exhaust Adapter is engineered to solve the common issue of exhaust leaks when mating a factory downpipe to an aftermarket 3-inch cat-back exhaust system.

Constructed from high-grade 304 stainless steel, this adapter provides a smooth transition for exhaust gases while resisting corrosion in harsh environments. The precision-machined flanges ensure a tight seal, correcting the mismatch between the stock flat flange and the larger 3-inch 2-bolt flange of performance exhaust systems. Installation can be completed in approximately 15 minutes using basic hand tools, making it a straightforward upgrade for any DIY enthusiast.

• Prevents exhaust leaks caused by mismatched flange diameters
• Manufactured from durable 304 stainless steel for long-term reliability
• Compatible with the factory downpipe and most 3-inch aftermarket exhaust systems
• Includes all necessary stainless steel hardware and a 3-inch 2-bolt flange gasket
• Manufacturer Part Number: MMEXH-ADAP-SDAE
• Protected by the Mishimoto Lifetime Warranty

Constructed for professional-grade exhaust fabrication, the Stainless Bros 3.0-inch x 4-inch OAL flex joint is engineered to handle the thermal expansion and high-frequency vibrations of high-performance engines. This 304 stainless steel component acts as a critical buffer, preventing stress cracks in manifolds and downpipes by allowing for controlled movement within the exhaust system.

The internal interlock liner is a significant upgrade over standard mesh liners, offering a smooth internal surface that maximizes exhaust flow velocity while shielding the outer bellows from extreme heat. This design is particularly well-suited for turbocharged applications where high exhaust gas temperatures (EGTs) are common and durability is non-negotiable.

• Material: 304 Stainless Steel
• Inner Diameter: 3.0 in
• Overall Length (OAL): 4.0 in
• Liner Type: High-Flow Interlock
• Manufacturer Part Number: 612-07604-1000

Fits select 2002-2020 Subaru Baja, Forester, Impreza WRX/STI, Legacy GT, Outback XT, and WRX/STI models.

The Torque Solution TS-SU-480 adapter is the essential solution for owners mating a 3-inch aftermarket downpipe to a factory catback exhaust. Most high-performance downpipes utilize a flat 3-inch flange, while the OEM Subaru catback mid-pipe is designed for a 2.5-inch flare and a donut gasket. This discrepancy often leads to persistent exhaust leaks and poor fitment.

This precision-machined adapter bridges the gap, allowing your 3-inch flat flange to seal perfectly against the factory donut gasket. It provides a secure, leak-free transition that maintains the flexibility of the OEM exhaust design while accommodating your upgraded downpipe.

• Function: Adapts 3" flat flange downpipes to OEM 2.5" donut gasket catbacks
• Reliability: Eliminates exhaust leaks at the downpipe-to-midpipe junction
• Installation: Direct bolt-on solution between the downpipe and mid-pipe
• MPN: TS-SU-480

Ensure a leak-free connection when upgrading your exhaust system with the Turbo XS 3in Downpipe to OEM Catback Adapter. This specialized adapter is engineered for Subaru enthusiasts who want to mate a 3-inch aftermarket flat-flange downpipe to the factory catback exhaust mid-pipe.

By bridging the gap between the oversized downpipe and the tapered OEM connection, this adapter eliminates the common exhaust leaks associated with mismatched flange surfaces. The kit includes both the necessary flat gasket and the donut gasket to provide a complete sealing solution for your exhaust project.

• Bridges the gap between 3-inch flat-flange downpipes and factory Subaru catback exhausts
• Eliminates exhaust leaks at the downpipe-to-midpipe junction
• Includes (1) Flat Exhaust Gasket
• Includes (1) Donut Gasket
• Manufacturer Part Number: ADA-3DP-OEMCB-3

Ensure a leak-free connection when mating a 3-inch aftermarket downpipe to your factory exhaust system. The Turbo XS ADA-3DP-OEMCB-2 adapter is designed specifically for Subaru WRX and STi models, bridging the gap between a flat 3-inch downpipe flange and the smaller, flared OEM cat-back interface.

This adapter solves the common fitment issue where a standard 3-inch gasket fails to seal against the factory midpipe. By utilizing the included OEM-style donut gasket, this kit provides the necessary articulation and sealing surface to prevent exhaust leaks and maintain proper backpressure. This is an essential component for enthusiasts who have upgraded their downpipe but prefer to retain the factory cat-back for a subtler exhaust note.

• Part Number: ADA-3DP-OEMCB-2
• Application: Connects 3" flat-flange downpipes to OEM cat-back exhausts
• Included Hardware: Genuine OEM-style donut gasket
• Fitment: Select Subaru WRX and WRX STI models

Fits select 2002-2021 Subaru Forester, Impreza WRX, Legacy GT, Outback XT, and WRX STI.

The Turbo XS ADA-3DP-OEMCB-1 adapter is the essential solution for owners mating a 3-inch aftermarket downpipe to a factory 2.5-inch cat-back exhaust system. Using a standard flat gasket on the mismatched flanges often leads to persistent exhaust leaks and gasket failure. This precision-machined adapter bridges that gap, ensuring a secure, airtight seal between the larger downpipe flange and the OEM donut-style connection.

• Manufactured from high-grade 304 Stainless Steel for superior corrosion resistance and durability.
• Includes one 2x thick multilayered stainless steel exhaust gasket for maximum sealing potential.
• Engineered specifically for the Subaru EJ-series and VA chassis exhaust geometry.
• Manufacturer Part Number: ADA-3DP-OEMCB-1

Fits select 2002-2021 Subaru WRX, STI, Forester XT, Legacy GT, and Outback XT.

The Turbo XS ADA-3DP-OEMCB adapter provides a reliable solution for owners mating a 3-inch aftermarket downpipe to the factory cat-back exhaust system. Performance downpipes typically utilize a 3-inch flat flange, whereas the Subaru OE mid-pipe uses a 2.5-inch diameter designed for a donut-style gasket. This adapter bridges that gap, ensuring a leak-free seal and proper exhaust alignment without the need for custom welding or fabrication.

Manufactured from stainless steel for long-term durability and corrosion resistance, this part is designed to endure the high-heat environment of the exhaust stream. The kit includes a standard flat gasket for the downpipe connection, while the outlet side is machined to seat perfectly against the factory-style donut gasket.

• MPN: ADA-3DP-OEMCB
• Material: Stainless Steel
• Inlet Size: 3.0 Inch (Flat Flange)
• Outlet Size: 2.5 Inch (OE Donut Gasket Compatible)
• Included Hardware: (1) Standard exhaust gasket

Engineered for high-performance exhaust fabrication, the Stainless Bros 304 Stainless Steel Flex Joint is designed to absorb engine vibrations and accommodate thermal expansion within your exhaust system. This prevents fatigue-induced cracking in manifolds, downpipes, and mounting points. The 3.5-inch inner diameter is ideal for high-flow custom exhaust builds where durability and thermal management are critical.

This component features a high-flow interlock liner. Unlike standard mesh liners, the interlock design creates a smooth internal surface that protects the bellows from high-velocity exhaust gases, reducing turbulence and preventing the internal whistling often found in lesser components. Constructed from 304SS, it offers excellent corrosion resistance and weldability for long-term service in harsh under-car environments.

• Manufacturer Part Number: 612-08906-1000
• Material: 304 Stainless Steel
• Inner Diameter: 3.5"
• Overall Length (OAL): 6"
• Liner Design: Smooth-bore Interlock Liner
• Construction: Multi-layer bellows with protective outer braid

Fabricate a more durable and efficient exhaust system with the Stainless Bros 304 Stainless Steel Flex Joint. Measuring 2.50 inches in diameter with a 6-inch overall length (OAL), this component is engineered to absorb engine vibrations and accommodate thermal expansion, preventing stress fractures in your exhaust tubing and manifolds.

This flex joint features an internal interlock liner, which provides a smooth path for high-velocity exhaust gases. Unlike standard braided liners, the interlock design protects the internal bellows from extreme heat and turbulence while preventing the common whistling or buzzing noises associated with high-performance setups. Constructed entirely from 304 stainless steel, it offers excellent corrosion resistance and weldability for custom fabrication projects.

• Manufacturer Part Number: 612-06304-1000
• Inlet/Outlet Diameter: 2.50 inches
• Overall Length (OAL): 6 inches
• Material: 304 Stainless Steel
• Internal Construction: Interlock Liner for improved flow and durability

Fits 2014 Mini Cooper S F55 (2.0L). Note: Excludes facelift models.

The Remus exhaust adapter (MPN: AD0181V) is a precision-engineered component designed to facilitate the seamless installation of Remus performance exhaust systems. This adapter ensures a secure, leak-free connection between the vehicle's factory piping and Remus sport components, maintaining optimal exhaust flow and structural integrity during hard driving.

• Designed specifically for the 2.0L Turbo engine in the F55 4-door chassis
• Ensures correct alignment and fitment when upgrading to a Remus sport exhaust
• Durable construction built to withstand high thermal loads and vibration
• Manufacturer Part Number: AD0181V

Simplify your exhaust installation with JBA 2.5-inch 1650 Starter Tubes (1650ST). These high-quality fitment accessories are engineered to provide a seamless connection for JBA exhaust components, ensuring proper alignment and a professional-grade finish for your custom or bolt-on exhaust project.

Constructed from durable stainless steel, these tubes are built to withstand high heat and resist corrosion over time. Unlike standard pipes that suffer from flow-restricting kinks, these starter tubes are mandrel-bent to maintain a consistent 2.5-inch diameter throughout, optimizing exhaust velocity and reducing backpressure.

• Construction: High-grade stainless steel for heat and corrosion resistance
• Tubing Diameter: 2.5 inches
• Manufacturing: Precision mandrel-bent tubing for maximum flow
• Purpose: Facilitates easier fitment and connection of exhaust components
• Manufacturer Part Number: 1650ST

JBA EFI Starter Tubes are specialized accessories engineered to facilitate the installation of JBA performance exhaust systems. These tubes replace restrictive factory components with free-flowing, mandrel-bent 2.5-inch tubing, designed to bridge the gap between your engine and the rest of your exhaust setup for a precise fit.

Built from heavy-duty stainless steel, these starter tubes are designed to withstand high exhaust temperatures while resisting corrosion. The mandrel-bending process ensures the tubing maintains its full diameter through every bend, minimizing backpressure and improving exhaust scavenging compared to standard crush-bent factory pipes.

• Part Number: 1650-1ST
• Diameter: 2.5-inch primary tubing
• Material: Durable stainless steel construction
• Design: Mandrel-bent to maintain consistent flow and internal volume
• Function: Aids in the fitment of JBA exhaust products
• Durability: Replaces restrictive OE components with performance-grade materials

Redirect exhaust gases safely away from the chassis with this Granatelli Motor Sports 3.0-inch exhaust turn down. Fabricated from 304 stainless steel, this component provides excellent corrosion resistance and heat tolerance for long-term durability in high-performance applications. The integrated 3-bolt flange allows for a secure, bolt-on connection to headers or existing exhaust piping.

• Material: High-grade 304 Stainless Steel
• Diameter: 3.0 Inches (76.2mm)
• Mounting Interface: 3-Bolt Flange
• Finish: Natural stainless
• Included Hardware: Flange gasket
• Manufacturer Part Number: 307530-S

This turn down is an essential component for race applications or custom builds where dumping exhaust directly after the header or collector is required to manage under-car temperatures and clearance.

The Granatelli 307530-3 V-Band to Straight Connection Adapter is engineered to simplify exhaust fabrication by converting a standard 3-bolt collector to a 3.0-inch (76mm) V-band flange system. This component provides a robust, leak-free transition that allows for quicker disassembly and superior sealing compared to traditional bolted flanges.

• Diameter: 3.0" (76mm)
• Conversion Type: Adapts 3-bolt collector flange to V-band straight connection
• Construction: High-strength materials for durability in high-heat exhaust environments
• Included Hardware: V-band clamp, gaskets, and abutment for a complete installation
• Manufacturer Part Number: 307530-3

By utilizing this adapter, installers can achieve a more reliable exhaust joint that resists the warping often associated with traditional triangular flanges. The included gaskets ensure a precise seal at the 3-bolt interface, while the V-band assembly provides the high-clamping force necessary for forced induction or high-performance naturally aspirated applications.

Redirect exhaust flow and protect your vehicle's underbody with the Granatelli 2.5-inch 304 stainless steel turn down. This component is designed to bolt directly to a matching 3-bolt flange, making it an ideal solution for track setups, dump tubes, or custom exhaust configurations where diverting heat and gases away from the chassis is critical.

• Durable Construction: Fabricated from high-grade 304 stainless steel for maximum corrosion resistance and longevity in high-heat environments.
• Specifications: Features 2.5-inch diameter tubing with a precise turn-down angle to direct exhaust toward the ground.
• Secure Mounting: Integrated 3-bolt flange ensures a stable connection and simplified installation.
• Complete Kit: Includes the turn down pipe and a matching gasket for a leak-free seal at the flange interface.
• Manufacturer Part Number: 307525-S