Flowmaster - Flowmaster Flow FX Cat-Back Exhaust System The system is finished off

The system is finished off with dual 2

31 in Rectangular Port - Composite - GM W-Series - Kit

Carburetor Inlet Fitting - Straight - 9/16-24 in Male to 3/8 in Hose Barb - Brass - Natural - Holley 4160 Carburetors - Each

3/5 - FIA Approved - Single Layer - Fire Retardant Fabric - Red - Euro Size 13 - 2X-Large - Pair

Flowmaster - Flowmaster Flow FX Cat-Back Exhaust System The system is finished offOur new Flow FX cat back exhaust system for 2009 2013 GM Silverado Sierra 1500 with 5. 3L engines is manufactured using durable 409 stainless steel throughout and features a 3. 00 inch inlet pipe leading to a single inlet dual outlet Flow FX "straight through" muffler for great sound and maximum performance. The dual 2. 50 inch mandrel bent tailpipes exit out the side at an angle behind the rear wheels directing exhaust away from your boat or travel