H&R 05-11 BMW 645Ci Convertible/650i Convertible E64 Sport Spring Exterior Styling>Diffusers Finishing off this exhaust system

Finishing off this exhaust system is a 2-1/2" diameter 304 stainless steel clamp-on exhaust tip

1-5/8" 16-gauge 304 stainless steel tubing construction for unrestrictive flow resulting in more aggressive throttle response and increased passing power

This intake system is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles

Constructed from solid state components and stainless steel for unparalleled durability and vibration resistance

With our exclusive FMW compressor wheel and inconel turbine wheel technology

H&R 05-11 BMW 645Ci Convertible/650i Convertible E64 Sport Spring Exterior Styling>Diffusers Finishing off this exhaust systemSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's