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Water Meth Inj Kits
Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.
Gaskets & Seals
Injectors & Related Items
Starters & Alternators
Thoroughbred Diesel offers OEM and diesel stock parts for your diesel pickup truck. At Thoroughbred Diesel, you can
buy stock diesel replacement parts such as injectors, fuel pumps, ball joints,
track bars, turbos, and more for your diesel truck.
Diesel Tips Shirts
Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Floor Mats and Liners
Spare Tire Carriers
Make heads turn with custom truck accessories from Thoroughbred Diesel.
Diamond Eye Performance
Shipping restricted for: CA
Thoroughbred Sku #: AFE49-04052
Manufacturer Sku #: 49-04052
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aFe power introduces a 4" Down-Pipe Back ATLAS dual exhaust system for 2015.5 GM Diesel Trucks with V8-6.6L (td) engine. This ATLAS exhaust system is constructed from 4" mandrel bent aluminized steel tubing for maximum flow, increased horsepower and torque. This exhaust system is designed with a unique tapered flange to fit the flanged down pipe found on models built after July 2014. The down-pipe back system uses a mitered merge collector and includes a free flowing 12" muffler for maximum flow. ATLAS exhaust systems are the perfect combination of performance, fit and value.Installation is a Snap:This system uses factory mounting locations providing stability and hassle-free installation.Leak-Free Seal:A unique high quality OE style tapered flange is used for a complete 360 degree sealing surface.Merge Collector:This exhaust system uses a mitered merge collector to convert the standard single exhaust to an aggressive dual exhaust.OE Fit:OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tips holds the hanger bushing in place for an OE style fit that does not change with time. A bolt on hanger mount is used to support the driver side tube.Flow and Performance:ATLAS exhaust systems are constructed of 4" mandrel bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower and torque.Note: These kits will only fit models manufactured after July 2014 equipped with a flanged down pipe. Does not fit cab & chassis, Fits 133.7 " to 167.7" wheel bases only.Note: This is a "Race Only" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws. This system also requires an aftermarket electronic module to work properly with the vehicle.