Cat Back Exhaust Kit 00- 06 Jeep Wrangler TJ 4.0L Air Intakes The internal diameter of the

The internal diameter of the stock throttle body is bored larger increasing the airflow area

Muffler - Pro-Series - 3 in Center Inlet - 3 in Center Outlet - 10 x 11 x 6

Muffler Delete Kit - American Thunder - 2

Exhaust System - Sport - Cat-Back - 3 in Diameter - Dual Rear Exit - Dual 4 in Polished Tips - Stainless - Natural - GM LS-Series - GM Fullsize SUV 2021-22 - Kit

Additionally

Cat Back Exhaust Kit 00- 06 Jeep Wrangler TJ 4.0L Air Intakes The internal diameter of theExhaust System FlowFx Cat Back 2. 5 in Diameter Single Rear Exit 3. 5 in Black Ceramic Tip Stainless Natural Jeep Inline 6 2 Door Jeep Wrangler TJ 2000 06 Kit