Hotchkis Sport Suspension 22832 2007-2008 Audi B7 RS4 Sport Sway Bars. Designed and manufactured by Hotchkis Sport Suspension specifically for the new Audi B7 RS4 and B7/B6 S4. The autocross and track event ready Sway Bar package features a massive 29mm tubular 2 position adjustable rear bar and our standard sport front sway bar for owners looking for a distinct track and autocross handling advantage. Polyurethane bushings and bushing brackets are also included along with 90-degree zerk fittings for easy lubrication. The RS4 tremendous fun in stock form just got even more exciting with the addition of Hotchkis Sport Sway Bars. Due to the aggressive tuning of this package it is designed primarily for track use and performance street driving. Fits B6 and B7 platforms. Features: Lightweight durable 35MM (1-3/8 in.) tubular steel front sway bar. 60% stiffer than stock. Lightweight and durable 29MM (1-1/8 in.) tubular steel rear sway bar. Adjustable from +235% to +305% increase in stiffness over stock RS4. Greasable polyurethane bushings and brackets with 90 degree zerk fittings. Gloss black powder coat finish. Benefits: Dramatically improves cornering potential due to increased front/rear roll stiffness. Offers definite track and autocross advantage over stock sway bar package. Adjustable rear bar allows suspension to be finely tuned. Car has increased slip angle allowing power to be applied earlier during corner exit. Durable and reliable due to extensive track testing.