Collection: Exhaust System Upgrades For Subaru Legacy B4 BL
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Turbo XS 3in Downpipe to OEM Catback Adapter | Subaru (ADA-3DP-OEMCB-1)
Vendor:Turbo XSRegular price $50.20 USDRegular priceUnit price / per$84.00 USDSale price $50.20 USDSale -
Turbo XS 5-Layer SS Turbine Outlet Gasket | Subaru EJ20/EJ25 (GTO-EJ2025)
Vendor:Turbo XSRegular price $15.20 USDRegular priceUnit price / per$21.00 USDSale price $15.20 USDSale -
Turbo XS 5-Layer SS Turbine Inlet Gasket | Subaru EJ20/EJ25 (GTI-EJ2025)
Vendor:Turbo XSRegular price $12.02 USDRegular priceUnit price / per$16.60 USDSale price $12.02 USDSale -
Fel-Pro Exhaust Flange Gasket | Subaru WRX/BRZ, Toyota 86 (04-23) (60992)
Vendor:Fel-ProRegular price $6.07 USDRegular priceUnit price / perSale price $6.07 USD -
Magnaflow OEM Grade Catalytic Converter | Subaru Outback/Forester/Impreza (08-13) (51448)
Vendor:MagnaflowRegular price $322.47 USDRegular priceUnit price / per$413.00 USDSale price $322.47 USDSale -
MagnaFlow Conv DF 04-07 Subaru WRX/STi 2.5L T | (23149)
Vendor:MagnaflowRegular price $388.48 USDRegular priceUnit price / per$497.00 USDSale price $388.48 USDSale -
Fel-Pro Exhaust Pipe Flange Gasket | Subaru WRX / STI / Outback (89-21) (60957)
Vendor:Fel-ProRegular price $7.81 USDRegular priceUnit price / perSale price $7.81 USD -
MagnaFlow Rear OEM Catalytic Converter | Subaru WRX (08-09) (49159)
Vendor:MagnaflowRegular price $653.40 USDRegular priceUnit price / per$836.00 USDSale price $653.40 USDSale -
MagnaFlow OEM Grade Catalytic Converter | Subaru Impreza (92-15) (49984)
Vendor:MagnaflowRegular price $407.91 USDRegular priceUnit price / per$522.00 USDSale price $407.91 USDSale -

Fel-Pro Exhaust Pipe Flange Gasket | Subaru WRX (13-21) / Outback (05-09) / Forester (13-24) (61365)
Vendor:Fel-ProRegular price $7.02 USDRegular priceUnit price / perSale price $7.02 USD -
Turbo XS 3in Downpipe to OEM Cat-Back Adapter | Subaru WRX / STi
Vendor:Turbo XSRegular price $42.58 USDRegular priceUnit price / per$57.00 USDSale price $42.58 USDSale -
Fel-Pro Exhaust Pipe Flange Gasket | Subaru WRX/BRZ/FR-S/86 (13-22) (61668)
Vendor:Fel-ProRegular price $7.52 USDRegular priceUnit price / perSale price $7.52 USD -
MagnaFlow California Grade Universal 2.25in Rear Catalytic Converter | California (441335)
Vendor:MagnaflowRegular price $439.62 USDRegular priceUnit price / per$563.00 USDSale price $439.62 USDSale -
Magnaflow California Direct-Fit Catalytic Converter | Subaru Forester 09-10 (5571448)
Vendor:MagnaflowRegular price $684.32 USDRegular priceUnit price / per$876.00 USDSale price $684.32 USDSale -
BLOX Racing Exhaust Manifold to Crossover Pipe MLS Gasket (BXFL-50014)\
Vendor:BLOX RacingRegular price $10.35 USDRegular priceUnit price / per$16.00 USDSale price $10.35 USDSale -
Magnaflow Direct-Fit Rear Muffler Kit | Subaru Legacy (05-09) (108-0078)
Vendor:MagnaflowRegular price $253.86 USDRegular priceUnit price / per$269.73 USDSale price $253.86 USDSale -
Magnaflow Direct-Fit Rear Muffler Kit | Subaru Legacy (05-09) 2.5L (108-0079)
Vendor:MagnaflowRegular price $253.86 USDRegular priceUnit price / per$269.73 USDSale price $253.86 USDSale -
Magnaflow 2.50in CARB Compliant Cat | Chevy Silverado/GMC Sierra 14-15 (5571176)
Vendor:MagnaflowRegular price $411.52 USDRegular priceUnit price / per$527.00 USDSale price $411.52 USDSale -
Magnaflow 2.25in Cali Grade CARB Compliant Cat | Chevy Silverado 2500/3500 HD (5411205)
Vendor:MagnaflowRegular price $508.46 USDRegular priceUnit price / per$651.00 USDSale price $508.46 USDSale -
MagnaFlow California Grade Universal Catalytic Converter 2.00in | California (444104)
Vendor:MagnaflowRegular price $278.33 USDRegular priceUnit price / per$356.00 USDSale price $278.33 USDSale
Exhaust System Upgrades for Subaru Legacy B4 BL: Enhance Power and Sound
Unlock the full potential of your Subaru Legacy B4 BL with our specialized exhaust system upgrades. Designed specifically for this model, our collection offers performance-driven components that improve power delivery, throttle response, and exhaust tone to elevate your driving experience.
Why Upgrade Your Subaru Legacy B4 BL Exhaust System?
Upgrading your exhaust system is one of the most effective ways to enhance your Legacy’s performance and sound. By replacing restrictive stock parts with high-flow components, you can increase horsepower and torque while achieving a more aggressive and refined exhaust note. These upgrades also improve throttle response and engine efficiency, giving your vehicle a more dynamic feel on the road.
- Improved airflow reduces backpressure for better engine breathing
- Enhanced exhaust tone tailored to your driving preferences
- Durable materials ensure long-lasting performance and reliability
Key Components in Subaru Legacy B4 BL Exhaust Upgrades
This collection includes a variety of aftermarket exhaust parts engineered for perfect fitment and performance. From high-flow mufflers and downpipes to complete cat-back systems, each component is designed to complement your Legacy’s character while boosting efficiency and sound quality. Choosing the right parts depends on your goals, whether it’s maximizing power gains or achieving a balanced exhaust note.
How to Choose the Right Exhaust Upgrade for Your Legacy B4 BL
When selecting exhaust upgrades, consider your driving style and performance goals. For aggressive sound and maximum flow, a cat-back system paired with a high-flow downpipe is ideal. If you prefer subtle improvements, a performance muffler can enhance tone without overwhelming volume. Shop our curated collection at WheelFlip to find reliable, fitment-specific exhaust parts that bring out the best in your Subaru Legacy B4 BL.


















