aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Acumen Camera (1x) Upfitter Harness

(1x) Upfitter Harness

Year Make Model Submodel 2021-2023 Chevrolet Silverado 2500 HD Custom 2020-2023 Chevrolet Silverado 2500 HD High Country 2020-2023 Chevrolet Silverado 2500 HD LT 2020-2023 Chevrolet Silverado 2500 HD LTZ 2020-2023 Chevrolet Silverado 2500 HD WT 2020-2023 Chevrolet Silverado 3500 HD High Country 2020-2023 Chevrolet Silverado 3500 HD LT 2020-2023 Chevrolet Silverado 3500 HD LTZ 2020-2023 Chevrolet Silverado 3500 HD WT 2020-2023 GMC Sierra 2500 HD AT4 2020-2021 GMC Sierra 2500 HD Base 2020-2023 GMC Sierra 2500 HD Denali 2022-2023 GMC Sierra 2500 HD Pro 2020-2023 GMC Sierra 2500 HD SLE 2020-2023 GMC Sierra 2500 HD SLT 2020-2023 GMC Sierra 3500 HD AT4 2020-2021 GMC Sierra 3500 HD Base 2020-2023 GMC Sierra 3500 HD Denali 2022-2023 GMC Sierra 3500 HD Pro 2020-2023 GMC Sierra 3500 HD SLE 2020-2023 GMC Sierra 3500 HD SLT

RTL-W: Comprises of solid amber lights

and a 278% increase in frontal area

our focus isn't just to meet standards but to establish them

aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Acumen Camera (1x) Upfitter HarnessThe Large Bore HD Performance Cat Back exhaust features 4" 409 stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly. The OE style band clamps and bayonet style hangers make sure this system installs cleanly and easily. You will see increased performance and lower EGTs from this system. This system does not come with a tip. Installation Instructions This Part Fits: Year Make