ARM Motorsports AUDI A4 B8 3" TEST PIPE F82 NOTE: This product is designed

NOTE:  This product is designed specifically for 2015 Subaru WRX and STI models

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Fits only factory OEM headlights equipped with LED DRLs

ARM Motorsports AUDI A4 B8 3" TEST PIPE F82 NOTE: This product is designedHIGHLIGHTS Gain up to +24whp 30wtq Faster Turbo Spool Improved Exhaust Note Better Throttle Response 3" Design Precise Fitment PROFILE This A4 test pipe is a powerful and easy bolt on alternative to a full downpipe exhaust upgrade. The ARM Test Pipe replaces the section of the OEM exhaust that is the most restrictive on the 2. 0T, which is bolted directly onto the turbocharger housing. The OEM section of the exhaust is equipped with a catalytic