Bilstein B6 1978 Porsche 928 Base Rear 46mm Monotube Shock Absorber 1999-mercedes-benz-sl500-base-esi7993332 The full direct bolt-on mandrel

The full direct bolt-on mandrel bent high quality austenitic stainless steel Cat-Back(tm) is over 25 pounds lighter than stock while flowing over 200cfm more air

A system that is black coated T-304 stainless steel including the tips

but the BORLA(r) sound is the part that puts a smile on everyone's face

BORLA(r) Cat-Back Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower

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

Bilstein B6 1978 Porsche 928 Base Rear 46mm Monotube Shock Absorber 1999-mercedes-benz-sl500-base-esi7993332 The full direct bolt-on mandrelBilstein 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