Duramax: 2001-2004 (LB7)
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 4″-6″ Blue (SDETAC46BLU) Universal
The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any vehicle with a 4″ exhaust tailpipe, including Ford Super Duty Powerstroke, Dodge Ram Cummins, and Chevy Silverado/GMC Sierra Duramax. Made from corrosion-resistant stainless steel for durability, it expands from a 4″ inlet to a 6″ outlet with an angled cut edge. The high-quality Sinister Diesel blue finish provides a clean look, and a riveted Sinister Diesel logo adds a stylish touch.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 4″-6″ Black (SDETAC46B) Universal
The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any vehicle with a 4″ exhaust tailpipe, including Ford Super Duty Powerstroke, Dodge Ram Cummins, and Chevy Silverado/GMC Sierra Duramax. Made from corrosion-resistant stainless steel for durability, it expands from a 4″ inlet to a 6″ outlet with an angled cut edge. The high-quality black finish provides a clean look, and a riveted Sinister Diesel logo adds a stylish touch.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 4″-5″ Chrome (SDETAC45P) Universal
The Sinister Diesel Dual Wall Exhaust Tip enhances the look of trucks with a 4″ exhaust tailpipe, including Ford Super Duty Powerstroke, Dodge Ram Cummins, and Chevy Silverado/GMC Sierra Duramax. Made from corrosion-resistant stainless steel for durability, it expands the outlet to 5″ with an angled cut edge. It features a high-quality chrome finish and a riveted Sinister Diesel logo for a bold appearance.
All sales are final for clearance items. Only valid while supplies last.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 4″-5″ Black (SDETAC45B) Universal
The Sinister Diesel Dual Wall Exhaust Tip enhances the look of trucks with a 4″ exhaust tailpipe, including Ford Super Duty Powerstroke, Dodge Ram Cummins, and Chevy Silverado/GMC Sierra Duramax. Made from corrosion-resistant stainless steel for durability, it expands the outlet to 5″ with an angled cut edge. It features a high-quality black finish and a riveted Sinister Diesel logo for a bold appearance.
Sinister Diesel Coolant Reservoir (Degas) Cap (SDDCDMAX01) for 2001-2016 Duramax 6.6L
The Sinister Diesel Coolant Reservoir Cap is a factory-style replacement with a custom design. Made from CNC-machined T6-6061 aluminum, it fits OEM and Sinister Diesel reservoirs for 2001-2016 GM Duramax models. It includes an internal pressure relief system for reliability, even if the gasket fails. Available in gray or Sinister Blue, it combines durability with a stylish look.
Sinister Diesel Coolant Filtration System (SDCOOLFIL6601W) for 2001-2010 Duramax 6.6L LB7 / LLY / LBZ / LMM
This Coolant Filter Bypass System extends the life of your diesel engine by removing contaminants like casting sand and metal shavings, helping to protect the water pump, EGR cooler, and oil cooler. It bypasses and filters small amounts of coolant while the engine runs. The kit includes a CNC-machined billet aluminum filter block that mounts using factory holes, requiring no drilling. It comes with all necessary fittings, and the filter is easy to replace.
Sinister Diesel Cold Air Intake (SDCAILB7) for 2001-2004 Duramax 6.6L LB7
The Sinister Diesel Cold Air Intake for the 2001-2004 Duramax 6.6L LB7 enhances performance, throttle response, and turbo spool-up. Ideal for daily driving, towing, and racing, it improves airflow, fuel economy, and power. Made from CNC mandrel-bent aluminum for durability, it features a reusable cotton filter for better filtration and lower maintenance.
Sinister Diesel Black Diamond Head Gasket (Pass. A) (SDBD580) for 2001-2010 Duramax 6.6L
Replace blown or leaking head gaskets on your 2001–2010 Duramax LB7, LLY, LBZ, or LMM diesel engine with the Sinister Diesel Black Diamond Head Gasket. Designed for durability, it features a 5-layer stainless steel construction with an FKM coating for a heavy-duty seal that withstands high heat and pressure. Available for both driver’s and passenger’s sides.
All sales are final for clearance items. Only valid while supplies last.
Sinister Diesel High Amp (400A) Wiring Upgrade Kit (SDALTWIRE)
This kit includes all necessary cables to upgrade the alternator charge, alternator ground, and chassis ground. It enhances performance for both stock and high-output alternators up to 400 amps. The cables feature 5285-strand pure copper construction with a 17.2mm diameter and a hyperflex frosted jacket.
Sinister Diesel 320 Amp OEM High Output Alternator (SDALT6601320) for 2001-2007 Duramax 6.6L
The Sinister Diesel 320 Amp OEM alternator is a trusted solution for GM Duramax 6.6L alternator failures, which can cause electronics issues due to low voltage. It features brand-new OEM components for reliability and is a direct fit without modifications. The alternator comes with a 1-year warranty.
Sinister Diesel Exhaust Tip 5″-6″ Polished 304 Stainless Steel (SD56POL) Universal
Sinister Diesel offers high-quality, aggressive-looking exhaust tips designed to enhance the appearance of diesel trucks. Made from durable 304 stainless steel and mirror-polished for a flashy, easy-to-clean finish, these single-wall tips fit 5-inch tailpipes and expand to 6 inches with a rolled edge. Each tip features the Sinister Diesel logo and is crafted for both performance and style.
Sinister Diesel Exhaust Tip 5″-6″ Black (SD56BLK) Universal
The Sinister Diesel ceramic-coated exhaust tip upgrades the look of your diesel truck with a black, aggressive finish that matches other blacked-out parts. Made from corrosion-resistant 304 stainless steel, it fits any 5-inch exhaust system (Duramax, Cummins, or Powerstroke) and expands the outlet to 6 inches. The black ceramic coating hides soot and dirt and is easy to clean. Installation is simple with basic hand tools using a clamp-on design.
Sinister Diesel Polished 304 Stainless Steel Exhaust Tip 4″ to 6″ (SD46POL) Universal
The Sinister Diesel Exhaust Tip is a durable, high-quality stainless steel accessory that enhances your vehicle’s exhaust system. It features a single-wall, angle-cut design for a stylish, aggressive look and fits most 4″ exhaust systems. With a polished finish and easy installation, it offers both performance and visual appeal.
Sinister Diesel Black Ceramic Coated Stainless Steel Exhaust Tip 4″ to 6″ (SD46BLK) Universal
The Sinister Diesel Exhaust Tip is a durable, stainless steel aftermarket accessory that enhances both the look and performance of a vehicle’s exhaust system. It features a single-wall, angle-cut design with a Black Ceramic finish for a stylish, aggressive appearance. Easy to install, it fits most 4″ exhaust systems and is resistant to corrosion.
Sinister Diesel Exhaust Tip 4″-5″ Polished 304 Stainless Steel (SD45POL) Universal
The Sinister Diesel Exhaust Tip is a durable, high-quality stainless steel accessory that enhances both the appearance and performance of your vehicle’s exhaust system. Featuring a single-wall, angle-cut design and a polished finish, it adds a stylish, aggressive look to your truck. Designed to fit most 4″ exhaust systems, it offers easy, hassle-free installation with all necessary components included.
Sinister Diesel Exhaust Tip 4″-5″ Black (SD45BLK) Universal
The Sinister Diesel Exhaust Tip is a durable, high-quality stainless steel accessory designed to enhance both the appearance and performance of your vehicle’s exhaust system. Featuring a single-wall, angle cut design and a sleek Black Ceramic finish, it offers a stylish, aggressive look. It fits most 4″ exhaust systems and includes everything needed for easy installation.
SUNCOAST ALLISON CAT1 500HP REBUILD KIT WITH CONVERTER (GMAX-CAT1-LB7LLY-KIT) FOR 2001-2005 DURAMAX LB7 / LLY
The SunCoast Allison CAT1 500HP Rebuild Kit with Converter (GMAX-CAT1-LB7LLY-KIT) is a heavy-duty transmission upgrade for 2001–2005 Duramax LB7 and LLY trucks. Designed to support up to 500 horsepower, it includes premium clutches, steels, gaskets, seals, and a high-performance torque converter to boost strength, reliability, and efficiency. Ideal for towing, racing, or high-demand use, the kit enhances durability and drivability for Allison 1000 transmissions.
S&B Intake Replacement Filter Cotton Cleanable (KF-1035) for 1994-2009 Cummins 5.9L / 6.7L & 2001-2010 Duramax 6.6L LLY / LBZ / LB7 / LLM
The S&B Intake Replacement Filter Cotton Cleanable (KF-1035) is a high-quality replacement filter designed for Duramax, LLY, LBZ, LB7, LLM, and 94-22 5.9L Cummins engines. It is made with durable materials and features a cleanable design, making it a cost-effective and environmentally-friendly option.
Fleece Setrab to -10AN Fittings (FPE-TL-ST) for Fleece Performance replacement Allison Transmission cooler lines
The Fleece Performance Setrab to -10AN Fittings (FPE-TL-ST) are high-quality, corrosion-resistant components designed for seamless connection between Setrab transmission coolers and -10AN braided hoses. Specifically engineered for compatibility with Fleece’s Allison Transmission cooler line kits, these fittings ensure secure, leak-free connections and optimal fluid flow, making them ideal for performance applications where efficient transmission cooling is essential.
Head Pipe Kit (48631) Monster Exhaust – 2001-04 Chevy 6.6L
The Head Pipe Kit Monster Exhaust is a high-quality exhaust kit designed for 2001-2004 Chevy 6.6L engines. This kit includes everything needed to replace the stock exhaust system and improve the performance of the vehicle. The head pipes are constructed from durable aluminized steel and feature mandrel-bent tubing for maximum flow and reduced backpressure. This results in increased horsepower, torque, and fuel efficiency. The kit also includes a high-flow muffler with a straight-through design for a deep and aggressive exhaust note. With easy bolt-on installation and a limited lifetime warranty, the Head Pipe Kit Monster Exhaust is a must-have upgrade for any Chevy 6.6L owner looking to enhance their vehicle’s performance and sound.
RealTruck AMP Research 75325-01A BedStep™
The RealTruck AMP Research 75325-01A BedStep™ is an innovative and practical addition to any truck bed. This retractable step provides easy access to the bed of your truck, making it convenient for loading and unloading cargo, or simply getting in and out of the bed. The BedStep™ is designed to be sturdy and durable, able to support up to 300 pounds of weight. Its sleek and low-profile design ensures that it doesn’t get in the way when not in use, and it can be easily installed without any drilling or modifications to your truck. Overall, the RealTruck AMP Research 75325-01A BedStep™ is a highly functional and convenient solution for anyone who uses their truck bed frequently.
RealTruck AMP Research 75151-01A PowerStep™ Stainless Steel Trim Strips
The RealTruck AMP Research 75151-01A PowerStep™ Stainless Steel Trim Strips are a premium accessory for truck owners looking to enhance the appearance of their vehicle. Made from high-quality stainless steel, these trim strips are durable and resistant to rust and corrosion. They are specifically designed to fit the AMP Research PowerStep™ running boards, providing a sleek and seamless look. The stainless steel material adds a touch of sophistication to any truck, making it stand out on the road. These trim strips not only add to the aesthetic appeal of the truck, but they also provide added protection to the running boards, ensuring they stay in top condition for years to come. With easy installation and a perfect fit, the RealTruck AMP Research 75151-01A PowerStep™ Stainless Steel Trim Strips are a must-have for any truck owner looking to elevate the look and functionality of their vehicle.
South Bend Single Disc Clutch 375 hp 700 ft. lbs. torque (SDM0105OK) for 2001-2005 Duramax 6.6L LB7 / LLY
The South Bend Single Disc Clutch (SDM0105OK) is designed for 2001–2005 Duramax 6.6L LB7 and LLY engines, offering improved durability and performance for daily drivers, work trucks, and lightly modified vehicles. Rated for up to 375 hp and 700 ft-lbs of torque, it delivers smooth engagement, strong holding power, and resistance to wear, making it ideal for towing and hauling while maintaining drivability and comfort.
FASS Titanium Signature Series Diesel Fuel System (TSC10100G) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM
The FASS Titanium Signature Series Diesel Fuel System (TSC10100G) is a high-performance fuel system designed specifically for diesel engines. It features a durable titanium construction and advanced filtration technology, providing superior fuel delivery and protection against contaminants. Its key benefits include improved engine performance, increased fuel efficiency, and extended engine life. The system also offers easy installation and maintenance, making it a cost-effective and reliable choice for diesel vehicle owners. Its unique selling points include its ability to remove air and vapor from the fuel, ensuring consistent fuel pressure and preventing engine damage. Overall, the FASS Titanium Signature Series Diesel Fuel System is a top-of-the-line solution for optimizing diesel engine performance and longevity.
