AEM 30-3350 FITS: V3 One Gallon Water/Methanol Injection Kit Multi Input Water M
20 ft. of high-pressure Nylon injection tubing. One machined billet injector with integral check valve to prevent unintended flow. H&R FITS 04-08 Audi S4 (AWD) V8 8E Sport Spring (Incl. Facelift Model).