Axle Back Only System 08-09 G8 GT 2.5in Dual 3 Midpipes Exhaust System - American Thunder

Exhaust System - American Thunder - Axle-Back - 3 in Diameter - Dual Rear Exit - 4 in Polished Tips - Stainless - Black Ceramic-Metallic - Ford Coyote - Ford Mustang 2024 - Kit

Air Induction System - PowerCore Closed Box - Maintenance Free Filter - Plastic - Black - 6

- Preset to prevent spring sag

one for vehicles that weren't equipped with a factory oil cooler and the other as an upgrade for the stock unit

Exhaust System - SPORT - Axle-Back - 2

Axle Back Only System 08-09 G8 GT 2.5in Dual 3 Midpipes Exhaust System - American ThunderExhaust System Street Series Axle Back 2. 5 in Diameter 3 in Tips Stainless Natural GM LS Series Pontiac G8 2008 09 Kit