Bilstein B8 82-92 BMW 3 Series (E30) Rear 36mm Monotube Shock Absorber 2018-audi-s7-premium-plus-esi6381618 This BORLA® system has a

This BORLA® system has a valve simulator to prevent the Check Engine Light from coming on

All Borla(r) Cat-Back(tm) and Axle-Back systems are made in the USA and are covered by Borla(r)'s Million-Mile warranty

This system features the S-Type sound with no drone inside the vehicle

System contains an Active Valve Exhaust valve

Bilstein B8 82-92 BMW 3 Series (E30) Rear 36mm Monotube Shock Absorber 2018-audi-s7-premium-plus-esi6381618 This BORLA® system has aBilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved