quick view Add to Cart aFe aFe Vulcan Series 3in 304SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Dual Polished Tip - 49-34130-P MSRP: $1,368.99 This DPF-back exhaust system is constructed of 3" mandrel-bent 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are quad 4" diameter polished 304... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare