Bilstein B4 OE Replacement 14-18 Bentley Flying Spur Front Right Air Suspension Spring - 45-279720 fits_2015-`BMW`M3 We also took the liberty

We also took the liberty of reducing the angles of the bends in the piping

remove restrictive bends

Dyno-Proven Gains up to +14 HP & +14 Lbs

This kit is designed to refresh cold air intakes systems 50-70091D or 50-70091R and contains: Spare Parts Kit Contains: 05-01421 - Silicone Coupling (x2)

both are extremely vital in this application

Bilstein B4 OE Replacement 14-18 Bentley Flying Spur Front Right Air Suspension Spring - 45-279720 fits_2015-`BMW`M3 We also took the libertyBilstein B4 OE Replacement (Air) dampers are designed to replace the original air suspension systems on many European brand vehicles. Bilstein is an OE supplier for air suspension systems; the quality of these products meets, and typically exceeds, the standards set forth by the vehicle's manufacturer. Bilstein B4 OE Replacement (Air) dampers are designed to connect directly into the original connectors on the vehicle, ensuring modification free