aFe Apollo GT Series 3in 409 Stainless Steel Muffler Upgrade 2019 GM Silverado/Sierra 1500 V8-6.2L 2015-audi-sq5-prestige-esi9586451 They will fit vehicles with

They will fit vehicles with and WITHOUT NPP

stainless steel muffler gives an aggressive sound at high RPMs

HA3-SPR4 kit features a Sport pressure plate for a nice upgrade

Bilstein B4 OE Replacement (DampTronic) dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle

Finishing off this exhaust system are quad 3-1/2 IN diameter polished 304 stainless steel clamp-on exhaust tips

aFe Apollo GT Series 3in 409 Stainless Steel Muffler Upgrade 2019 GM Silverado/Sierra 1500 V8-6.2L 2015-audi-sq5-prestige-esi9586451 They will fit vehicles withThis system is constructed of 3 IN mandrel bent 409 stainless steel tubing for maximum strength and durability. This system features a high flow 409 stainless steel muffler, producing a deep sound with minimal drone. Utilizing state of the art computer aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100% MIG welded for race proven strength and durability Swap out your truck's restrictive factory