Soft factory bushings whilst they do a good job of not transmitting engine vibration, they do create vague and unresponsiveness in the vehicles drive train. Under hard acceleration, the engine and transmission rotates, Whiteline's synthetic elastomer torque arm inserts work in conjunction with the OE rubber bushing giving your car better throttle response as well as more crisp and defined gear shifts. Suits both Automatic or manual transmissions .              Whiteline Performance Products including sway bar/anti-roll kits and bracing & alignment kits are covered against material and workmanship defects by a 3-year Whiteline Performance warranty* (excludes installation components **). Terms and conditions apply, further details available on request.*Whiteline warranties apply for the first purchaser only. ** Installation components including mounting bushings, brackets, fasteners and linkages (Fitting Kits) are covered for 1 year from the date of original installation.