H&R 15-21 Subaru STi Sport Spring 1984-mazda-rx-7-esi3117150 The restrictive factory air filter

The restrictive factory air filter and air intake tubing are replaced by the K&N Typhoon air intake which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow

Stopper type gaskets come in several styles

Vibrant Filler Rods offers outstanding weld properties so that you can lay down a top quality bead

5 Liter FS5R30A

H&R 15-21 Subaru STi Sport Spring 1984-mazda-rx-7-esi3117150 The restrictive factory air filterSport 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