Flowmaster FlowFX Dual Exit Cat-Back Exhaust For 99-07 GM 1500 4.3L 4.8L 5.3L 2015-2021 Subaru WRX STI MATERIAL - 6061 Aluminum

MATERIAL - 6061 Aluminum

Replaces all WSSX16

Proprietary clamp design for easy installation

allowing the customer to install up to a 33x11

Flowmaster FlowFX Dual Exit Cat-Back Exhaust For 99-07 GM 1500 4.3L 4.8L 5.3L 2015-2021 Subaru WRX STI MATERIAL - 6061 AluminumThis FlowFX cat back exhaust system is for 1999 2007* (*Classic body) GM Silverado Sierra 1500 with either a 4. 3L, 4. 8L or 5. 3L engine and is manufactured using durable 409 stainless steel throughout and features a 3. 00 inch inlet pipe leading to a single inlet dual outlet FlowFX "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