Bilstein B8 2009 BMW 535i Base Rear 46mm Monotube Shock Absorber Ignition>Ignition Controllers 4" 409 Stainless Steel Construction:

4" 409 Stainless Steel Construction: This cat-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability

Replace the faulty or old stock catalytic converter with the all new aFe power direct-fit cat replacement

cutting or modifications to stock wiring

reduce the amount of time between applied pedal pressure and actual deceleration by reducing the expansion that is allowed by stock rubber lines

It’s roto-molded and made from heat soak resistant cross-linked polyethylene

Bilstein B8 2009 BMW 535i Base Rear 46mm Monotube Shock Absorber Ignition>Ignition Controllers 4" 409 Stainless Steel Construction:Bilstein 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