Bilstein B6 (HD) 04-09 Mazda 3 / 07-09 Mazdaspeed 3 Rear 36mm Monotube Shock Absorber 1999-honda-civic-si-esi4648849 The Borla(r)'s system features and

The Borla(r)'s system features and Active Exhaust Valve which connects to the Original Equipment control system and provides variable sound levels

The rear section of this exhaust system incorporates Borla's patented SwitchFire™ design

It fits both the coupe and convertible models

This system features the classic S-Type sound with no drone inside the vehicle and 4" bright chrome on T-304 stainless steel tips

System features the aggressive ATAK(r) sound with no drone inside the vehicle and 5" carbon fiber with black anodized center tips

Bilstein B6 (HD) 04-09 Mazda 3 / 07-09 Mazdaspeed 3 Rear 36mm Monotube Shock Absorber 1999-honda-civic-si-esi4648849 The Borla(r)'s system features andBilstein B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the OE factory spring. 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. B6 Performance dampers will provide improved safety and handling performance with the added benefit of world famous