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This aFe Apollo GT Series cat-back exhaust system is a 3" mandrel-bent 409 stainless steel upgrade for 2020–2021 GM Silverado and Sierra 1500 trucks with the V8 6.2L engine. It pairs a high-flow 409 stainless muffler with mandrel-bent tubing to produce a throaty exhaust note and is CAD-designed for close factory tolerances. The system is 100% MIG-welded for strength and includes all necessary installation hardware for a straightforward replacement.
aFe 20-21 GM Trucks (V8-6.2L) 409 Stainless Steel Muffler Upgrade Pipe
