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aFe LARGE BORE HD exhaust systems are constructed from mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower and torque, while decreasing EGT. The 2-piece design and bayonet style hangers provide stability and for an easy installation....

aFe LARGE BORE HD exhaust systems are constructed from mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower and torque, while decreasing EGT. The 2-piece design and bayonet style hangers provide stability and for an easy installation....

The 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 c leanly...

The 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...

The 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...

The 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...

The 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...

The Large Bore HD Performance DPF-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 bayonnet style hangers make sure this system installs cleanly and...

This DPF-back exhaust system is constd of 3" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 5" diameter black 304 stainless steel clamp-on exhaust tips. The tips features an aFe POWER logo plate riveted on...

Simple Installation: This DPF-back exhaust system uses factory mounting locations providing stability and hassle-free installation.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...

This DPF-back exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 4-1/2" diameter black 304 stainless steel clamp-on exhaust tip. The tip features a laser etched aFe POWER logo...

This DPF-back exhaust system is constructed of 3" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 4-1/2" diameter polished 304 stainless steel clamp-on exhaust tip. The tip features a laser etched aFe POWER logo for...

Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/ Black Tip Ford F-150 18-19 V6-3.0L (td)Installation InstructionsThis Part Fits: Year Make Model Submodel 2018-2021 Ford F-150 King Ranch 2018-2021 Ford F-150 Lariat 2018-2021 Ford F-150 Platinum 2018-2021 Ford F-150 XL 2018-2021 Ford...

Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/ Polished Tip Ford F-150 18-19 V6-3.0L (td)Installation InstructionsThis Part Fits: Year Make Model Submodel 2018-2021 Ford F-150 King Ranch 2018-2021 Ford F-150 Lariat 2018-2021 Ford F-150 Platinum 2018-2021 Ford F-150 XL 2018-2021 Ford...

This DPF-back exhaust system is constructed of 4 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 6 IN diameter black 304 stainless steel clamp-on exhaust tips. The tips features an aFe POWER logo plate...

Flow and Performance: This Large Bore-HD exhaust system is 100% hand MIG-welded and Constructed from 4" mandrel-bent 409 stainless steel tubing for maximum flow. The smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's. A mitered merge collector is also...

This DPF-back exhaust system is constructed of 4 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 6 IN diameter polished 304 stainless steel clamp-on exhaust tips. The tips features an aFe POWER logo plate...

Interested in a new exhaust system for your L5P Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...

Interested in a new exhaust system for your L5P Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...

This DPF-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 5" diameter black 304 stainless steel intercooled clamp-on exhaust tips. The tips features an aFe POWER logo plate riveted...