Rick Mann's XSR1 Exhaust   The XS/R1 Project || Before | Coming Apart | 383 LS1 | Going together | Supercharging | Suspension | Interior | Tuning Click on images below to enlarge them above or the text below them for a better picture!               Kook Headers   3 inch collectors   Cats! & X-Muffler   Electric Cut-outs   Cool Tips                           The XS/R1 Project || Before | Coming Apart | 383 LS1 | Going together | Supercharging | Suspension | Interior | Tuning