H&R 15-18 BMW M3 Sedan F80 Sport Spring (Incl. Adaptive M Susp./Competition Package) 2007-infiniti-qx56-esi3468740 This exhaust uses all factory

This exhaust uses all factory hanger locations for a hassle free installation

so you can be confident that your new part will fit and function like the original equipment

rear spring rate

With more air flowing through the custom-tuned intake tube

This cat-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability

H&R 15-18 BMW M3 Sedan F80 Sport Spring (Incl. Adaptive M Susp./Competition Package) 2007-infiniti-qx56-esi3468740 This exhaust uses all factorySport 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