H&R 05-11 BMW 645Ci Convertible/650i Convertible E64 Sport Spring Exterior Styling>Diffusers 1-5/8" 16-gauge 304 stainless steel

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

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

These rebuild kits allow you to do the job right and can save you a big chunk of change by rebuilding in lei of having to do a complete total replacement

the included aluminum heat shield bolts to the bumper (via factory mounting locations) and resides neatly behind the exhaust

while (PN 11802) delivers the aggressive Borla(r) ATAK(r) sound

H&R 05-11 BMW 645Ci Convertible/650i Convertible E64 Sport Spring Exterior Styling>Diffusers 1-5/8" 16-gauge 304 stainless steelSport 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