Supertech BMW M50/M52 30.5x5.96x105.65mm Black Nitrided Exhaust Valve - Set of 8 NO-DISCOUNT By Changing the block off

By Changing the block off plates behind the center tip you can adjust the SPL (Sound Pressure Level) to your taste

This link features a high durometer bonded rubber bushing to maintain factory ride quality and all steel contruction for strength when you need it

Manufacturer Part # : 449131TS

HKS T-SHIRT KATAKANA WHITE M

Injen has a strong legacy of designing and thoroughly testing every product we develop and the EVO2001 clearly benefits from our dedication to performance

Supertech BMW M50/M52 30.5x5.96x105.65mm Black Nitrided Exhaust Valve - Set of 8 NO-DISCOUNT By Changing the block offManufacturer Part # : BMEVN 1030 8 Product Description Short Supertech BMW M50 M52 30. 5x5. 96x105. 65mm Black Nitrided Exhaust Valve Set of 8