Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The aFe Apollo GT Cat‑Back Exhaust for GM trucks (2009–2018; 4.3L/4.8L/5.3L) offers a 3" mandrel‑bent 409 stainless layout and a high‑flow 409 muffler for a bold sound and measurable power gains—up to +14 HP and +17 lb‑ft torque on a dyno. It installs using factory hangers, includes dual 4.5" black 304 stainless clamp‑on tips with aFe logo plate, and is 100% MIG‑welded for strength and fitment.
aFe Apollo GT Series Cat-Back Exhaust GM Trucks 09-18 V6-4.3L/V8-4.8/5.3L-Dual Rear Exit Black Tips
