Camaro/Firebird 1993-95 5.7L LT1 Flowmaster Exhaust, 3 in. single exit, American Thunder, cat-back exhaust system, shipping is not included This American Thunder exhaust system has been individually engineered and dyno tested with the latest in technology. Through this technology you will experience improvements in acceleration, passing power, as well as an increase in fuel mileage. The key to the system's performance improvements is through the use of mandrel-bent tubing that allows for superior exhaust gas flow. Aluminized steel tubing has been used for its corrosion resistant quality so your system will last. The system comes with a two chamber muffler that will give you plenty of Flowmaster sound under hard acceleration. All pipes with hangers, clamps, and mounting hardware have been included for easy installation. Item # FLO 17144-1993-95 5.7L LT1 Flowmaster Exhaust, for 3 in. Flanged Cat Style, Single 3" Outlet, 30 series muffler, 3" Stainless Tip, single exit pipe FLO 17143-1993-95 5.7L LT1 Flowmaster Exhaust, for 3" Flanged Cat Style, Dual 2.5" Outlet, Dual Exit, 80 Series Muffler FLO 17274-1993-95 5.7L LT1 Flowmaster Exhaust, for Single 3" Flanged Cat Style, 3" Outlet, 5"x10" 80 Series Muffler, Logo Embossed Stainless Tips, Dual Exit Pipes FLO 17133-1995-97 5.7L LT1 Flowmaster Exhaust, 2.5" Dual Outlet, Dual Exit, 80 Series Muffler (for LT1 95-97 with dual cats) FLO 17134-1995-97 5.7L LT1 Flowmaster Exhaust, 2.5" Single Outlet, Single Exit, 30 series Muffler(for LT1 95-97 with dual cats)