H&R 84-87 Audi 4000 Quattro 85 Sport Spring - 29545 fits_2004-2008`Acura`TL A built-in resonance chamber catches

A built-in resonance chamber catches unwanted air intake noises on 2010+ models

Designed with large mufflers to only slightly amplfy exhaust tone compared to the stock mufflers

15 Percent Lighter Than The Stock Exhaust System

+51 HP and +94 lbs

With the Mishimoto 2009-2014 F-150 transmission cooler

H&R 84-87 Audi 4000 Quattro 85 Sport Spring - 29545 fits_2004-2008`Acura`TL A built-in resonance chamber catchesSport 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