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) is a 3" mandrel‑bent 409 stainless system designed to increase flow and create an aggressive sound, with dyno gains reported up to +14 HP and +17 lb‑ft torque. It uses factory hangers for a direct bolt‑on fit, includes a single 4.5" black 304 stainless clamp‑on tip with a riveted aFe logo plate, and is fully MIG‑welded for durability.
aFe Apollo GT Series Cat-Back Exhaust System GM Trucks 09-18 V6-4.3L/V8-4.8/5.3L- Black Tip
