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The Axle-Back Exhaust System with No Mufflers and Stealth Black Tips will save weight while improving the sound on the Subaru WRX
These are like the ETS axle back exhaust systems except these do have mufflers included to lower the sound for those of you who need to be in compliance with your local area provisions
Aluminum intake piping with smooth mandrel bends that limit turbulence and restriction under acceleration
The Invidia over-pipe is the companion piece to a complete FA20 exhaust build
Reuse OEM components to save money while maintaining performance
Boomba Racing WRX/STI Fuel Rails (Natural) - 2002-2014 Subaru WRX / 2007-2021 STI PDM_air-fuel-ratio-gauges The Axle-Back Exhaust System withAdvanced Subaru WRX Fuel RailBuilt for performance and style, this precision CNC machined aluminum fuel rail boasts enlarged 12. 7 mm internal bores (up from 8. 75 mm) and upgraded AN 6 threaded ports in place of the older 1 4 NPT design. Offered in natural aluminum, blue, black, and red anodized finishes, it delivers even fuel distribution to all cylinders for more power and smoother performance, while giving your engine bay a bold, upgraded look.