aFe Large Bore HD 5-inch 409 Stainless Steel DPF-Back Exhaust System with Polished Tip for 2017 GM Duramax V8-6.6L (L5P)

Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band clamps are included for a complete 360 degree sealing surface. OE Fit: OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time. Flow and Performance: This Large Bore-HD exhaust system is constructed of 5" mandrel-bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's. 6" Diameter Polished Intercooled Tip: Finishing off the exhaust is a 6" diameter, high luster polished, stainless steel slash cut tip with intercooling vents designed to reduce exhaust gas temperatures at the tailpipe. A unique stainless steel laser-cut powder-coated black aFe Power logo plate is riveted on for an aggressive style. Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip GM Diesel Trucks 17-19 V8-6.6L (td) L5P

• Massive Polished Stainless Steel Intercooled Tip
• Tip w/Laser Cut Stainless Steel aFe Power Badge
• Mandrel Bent 409 Stainless Steel Tubing
• Quick Hassle Free Installation
• Factory Mounting Locations
• High Quality Band Clamps
• OE Style Bayonet Hangers

The aFe Large Bore HD 5-inch exhaust system is engineered for robust performance and durability on 2017 GM Silverado 2500/3500 HD and GMC Sierra 2500 HD trucks equipped with the V8-6.6L Duramax L5P engine. Constructed from mandrel-bent 409 stainless steel, this system ensures maximum flow with smooth transition bends that reduce turbulence, helping to increase horsepower and torque while lowering exhaust gas temperatures. The system features factory mounting locations, facilitating a straightforward installation process without the need for modifications. High-quality band clamps are included to guarantee a leak-free seal, providing a secure fit and reliable performance under demanding driving conditions. OE-style bayonet hangers are utilized to maintain stable pipe positioning during high vibration and heat, with the bayonet tip securing the hanger bushing for lasting fitment and stability. The exhaust is finished with a 6-inch diameter, polished stainless steel slash cut tip that includes intercooling vents designed to reduce tailpipe temperatures. A laser-cut, powder-coated black aFe Power badge is riveted onto the tip, adding an aggressive aesthetic appeal while showcasing the brand’s quality and craftsmanship. This system not only enhances exhaust flow but also delivers a more aggressive sound and improved performance, making it an ideal upgrade for diesel truck enthusiasts seeking durability and style. Its durable stainless steel construction and precision engineering ensure long-lasting performance and reliable operation in tough conditions, making it a valuable addition to your vehicle's exhaust system.

Features:

• Massive polished stainless steel intercooler tip with laser-cut aFe Power badge

• Mandrel bent 409 stainless steel tubing for maximum flow

• Quick and hassle-free installation using factory mounting locations

• High-quality band clamps for a leak-free seal

• OE-style bayonet hangers for stable pipe positioning during high vibration and heat

• 6-inch diameter polished slash cut tip with intercooling vents to reduce exhaust gas temperatures

Fits
Chevrolet Silverado 2500 HD High Country 2017
Chevrolet Silverado 2500 HD High Country 2018
Chevrolet Silverado 2500 HD High Country 2019
Chevrolet Silverado 2500 HD LT 2017
Chevrolet Silverado 2500 HD LT 2018
Chevrolet Silverado 2500 HD LT 2019
Chevrolet Silverado 2500 HD LTZ 2017
Chevrolet Silverado 2500 HD LTZ 2018
Chevrolet Silverado 2500 HD LTZ 2019
Chevrolet Silverado 2500 HD WT 2017
Chevrolet Silverado 2500 HD WT 2018
Chevrolet Silverado 2500 HD WT 2019
Chevrolet Silverado 3500 HD High Country 2017
Chevrolet Silverado 3500 HD High Country 2018
Chevrolet Silverado 3500 HD High Country 2019
Chevrolet Silverado 3500 HD LT 2017
Chevrolet Silverado 3500 HD LT 2018
Chevrolet Silverado 3500 HD LT 2019
Chevrolet Silverado 3500 HD LTZ 2017
Chevrolet Silverado 3500 HD LTZ 2018
Chevrolet Silverado 3500 HD LTZ 2019
Chevrolet Silverado 3500 HD WT 2017
Chevrolet Silverado 3500 HD WT 2018
Chevrolet Silverado 3500 HD WT 2019
GMC Sierra 2500 HD Base 2017
GMC Sierra 2500 HD Base 2018
GMC Sierra 2500 HD Base 2019
GMC Sierra 2500 HD Denali 2017
GMC Sierra 2500 HD Denali 2018
GMC Sierra 2500 HD Denali 2019
GMC Sierra 2500 HD SLE 2017
GMC Sierra 2500 HD SLE 2018
GMC Sierra 2500 HD SLE 2019
GMC Sierra 2500 HD SLT 2017
GMC Sierra 2500 HD SLT 2018
GMC Sierra 2500 HD SLT 2019
GMC Sierra 3500 HD Base 2017
GMC Sierra 3500 HD Base 2018
GMC Sierra 3500 HD Base 2019
GMC Sierra 3500 HD Denali 2017
GMC Sierra 3500 HD Denali 2018
GMC Sierra 3500 HD Denali 2019
GMC Sierra 3500 HD SLE 2017
GMC Sierra 3500 HD SLE 2018
GMC Sierra 3500 HD SLE 2019
GMC Sierra 3500 HD SLT 2017
GMC Sierra 3500 HD SLT 2018
GMC Sierra 3500 HD SLT 2019