Fits 2004-2008 Subaru Forester XT, XT Limited, and XT Premium.

The Turbo XS Cat Back Exhaust (FXT04-CBE) is engineered to improve exhaust flow and engine response for the 2004-2008 Subaru Forester XT. By replacing the restrictive factory piping and muffler assembly from the catalytic converter back, this system reduces backpressure and allows the 2.5L turbocharged boxer engine to breathe more efficiently. Designed as a direct-fit upgrade, it maintains proper clearance and utilizes factory-style mounting locations for a straightforward installation.

• Direct-fit cat-back exhaust system
• Designed specifically for the SG-chassis Forester 2.5L Turbo
• Reduces exhaust backpressure for improved turbocharger efficiency
• Aggressive exhaust note without compromising daily drivability
• Manufacturer Part Number: FXT04-CBE

Fits 2008-2015 Mitsubishi Lancer Evolution GSR, MR, MR Touring, and Final Edition.

The Turbo XS Cat Pipe is a direct-fit performance upgrade designed to replace the restrictive factory catalytic converter on the Evo X platform. By streamlining exhaust flow immediately following the downpipe, this component reduces backpressure to improve turbocharger spool-up and overall power delivery. It is engineered to bolt directly to factory mounting locations, ensuring a straightforward installation for enthusiasts looking to optimize their 4B11T-powered Evolution.

• Precision-engineered for the Mitsubishi Lancer Evolution X (CZ4A)
• Reduces exhaust backpressure for improved throttle response
• Designed for a direct-bolt installation between the downpipe and mid-pipe
• Manufacturer Part Number: EVOX-CP

Fits 2008-2015 Mitsubishi Lancer Evolution GSR and MR.

The Turbo XS 3-Port Boost Control Solenoid Kit (EVOX-BCS) is a critical upgrade for owners looking to maximize the tuning potential of the Mitsubishi Evolution X. By replacing the factory 2-port solenoid with a high-response 3-port unit, this kit provides the precise electronic boost management required when installing high-flow downpipes or upgraded turbochargers.

This solenoid allows for more aggressive boost targets and superior stability compared to the stock configuration. It is designed for direct integration into the Evo X vacuum system, ensuring reliable performance and faster response times under high-pressure conditions. This kit is an essential component for tuners to gain full control over the boost curve on the 4B11T platform.

• Replaces restrictive factory 2-port solenoid with a high-flow 3-port design
• Enables precise boost targeting and stability via ECU tuning
• Essential for vehicles equipped with aftermarket downpipes or turbo upgrades
• Includes application-specific mounting hardware and wiring connector
• Manufacturer Part Number: EVOX-BCS

Fits 2003-2006 Mitsubishi Evolution 8 and 9.

The Turbo XS Boost Control Solenoid Kit (EVO8-BCS) is engineered to provide the precise electronic boost management required for high-performance tuning on the CT9A chassis. This kit replaces or upgrades factory boost control components, allowing for more stable boost curves and improved turbocharger response when paired with a compatible aftermarket engine management system or ECU tuning software.

By utilizing a high-response solenoid, this kit helps eliminate boost fluctuations and allows tuners to dial in specific boost targets across the RPM range. It is an essential component for Evo 8/9 owners looking to push their 4G63 beyond factory boost levels while maintaining consistent performance.

• Compatible with 2003-2006 Mitsubishi Evo 8/9 models
• Provides stable and precise electronic boost regulation
• Ideal for use with aftermarket engine management systems
• Includes necessary components for installation
• Manufacturer Part Number: EVO8-BCS

Fits select 2010-2016 Hyundai Genesis Coupe and Veloster (2.0T).

The Turbo XS Hybrid Blow Off Valve (MPN: BOV-SML) is engineered specifically for Hyundai's 2.0T turbocharged powerplants. This hybrid-port design provides the best of both worlds: it recirculates a portion of the air back into the intake to maintain stable engine management and MAF sensor readings while venting the remainder to the atmosphere for the signature blow-off sound. It serves as a robust replacement for the factory bypass valve, designed to improve boost response and handle higher pressure levels than OE components.

• Manufacturer Part Number: BOV-SML
• Hybrid dual-port configuration for performance and sound
• Direct fit for 2.0T turbocharged Hyundai engines
• Constructed to handle increased boost pressures over stock
• Application-specific fitment ensures streamlined installation

The Turbo XS Type H-RFL Blow Off Valve is engineered for high-performance turbocharged applications where a high-volume, atmospheric vent-to-atmosphere (VTA) relief is required. This valve is designed to relieve excess pressure between the turbocharger and the throttle body during shifts or sudden deceleration, preventing compressor surge and extending the service life of your turbo's bearings.

Built for durability and precise boost management, the Type H-RFL utilizes a hard-anodized billet aluminum piston rather than a traditional rubber diaphragm. This design ensures consistent operation under extreme thermal stress and high boost pressures. The integrated O-ring seal provides a leak-free seat to maintain intake tract integrity when the system is under load. The spring rate is adjustable via internal shims, allowing you to fine-tune the valve response to your specific vacuum and boost levels.

• Manufacturer Part Number: BOV-H-RFL
• Material: Billet aluminum body and piston
• Seal: High-temperature O-ring assembly
• Piston Type: Hard-anodized aluminum
• Venting Style: Atmospheric
• Includes: Blow off valve, aluminum piston, and O-ring

The Turbo XS Standard Manual Boost Controller (BC-SBC) provides a reliable and precise solution for adjusting boost levels on turbocharged engines. This controller allows for manual increases in boost pressure above factory settings by regulating the signal reaching the wastegate actuator, resulting in improved turbo response and more consistent power delivery across the RPM range.

• High-quality construction designed to withstand the harsh heat of the engine bay
• Simple knurled knob design for easy, manual boost pressure tuning
• Compatible with most internal and external wastegate configurations
• Provides a cost-effective alternative to complex electronic boost controllers
• Manufacturer Part Number: BC-SBC

Fits select 2006-2021 Subaru Legacy, Outback, Forester, and Impreza WRX/STI models. This high-performance drop-in air filter is designed to provide a precise factory-style fit while delivering improved airflow and extended service intervals compared to standard paper filters.

The Turbo XS AF-01 features a dry filtration media, eliminating the need for oiling and ensuring your Mass Air Flow (MAF) sensor remains clean and functional. The element is constructed with deep pleats to maximize the filtration surface area, allowing for higher flow rates without compromising the capture of airborne contaminants. The base is manufactured from high-grade EPDM rubber, engineered to remain pliable and provide a reliable seal in extreme temperatures ranging from -30°C to 150°C.

• Part Number: AF-01
• Interchange: OEM 16546AA090, 16546AA10A
• Base Material: Temperature-resistant EPDM Rubber
• Reinforcement: Coated steel mesh for structural durability
• Media Type: Deep-pleat dry element (non-oiled)
• Temperature Range: -30°C to 150°C (-22°F to 302°F)

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