Cooling

Drivetrain

Electrical

Engine Upgrades

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Fuel System

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Tuners & Programmers

Turbochargers

Sinister Diesel Pre-Filter Sock for Cold Air Intake (SDUPFS0120)

SKU: SDUPFS0120
$58.68

The Sinister Diesel Pre-Filter Sock helps keep your truck’s air filter clean by blocking debris down to 5 microns without reducing airflow. This extra layer of protection improves performance and extends filter life. Backed by a 2-year warranty.

Sinister Diesel Transmission Rear Housing Support (SDRHSDMAX0107) for 2001-2007 Duramax LB7/LLY/LBZ with Allison transmission

SKU: SDRHSDMAX0107
$200.54

The Sinister Diesel Transmission Rear Housing Support (SDRHSDMAX0107) is designed for 2001-2007 Duramax LB7, LLY, and LBZ engines with an Allison transmission. It reinforces the transmission’s rear housing, improving durability and reducing stress on critical components.

Sinister Diesel Edition Powermax Series 2 Turbo (SDPWRMAX662) for 2004.5-2010 Duramax 6.6L LLY / LBZ / LMM

SKU: SDPWRMAX662
$3,308.54

The Sinister Diesel Powermax Series 2 Turbo features a larger compressor wheel for fast spool, improved horsepower, and sharp throttle response. It uses Garrett’s Advanced Variable Nozzle Turbine for better flow and boost. Built by the original manufacturer with OEM-style housings, it offers a direct fit for GM Duramax engines. The compressor cover is finished in Sinister Blue.

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Sinister Diesel Edition Powermax Series 1 Turbo (SDPWRMAX661) for 2004.5-2010 Duramax 6.6L LLY / LBZ / LMM

SKU: SDPWRMAX661
$2,678.54

The Sinister Diesel Powermax Series 1 Turbo features a larger compressor wheel for quick spool, increased horsepower, and sharp throttle response. It uses Garrett’s Advanced Variable Nozzle Turbine design for improved compressor flow and boost. Built by the original manufacturer with OEM-style housings, it ensures a direct fit for GM Duramax engines.

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Sinister Diesel PITBULL SERIES® Turbocharger for 2004.5-2010 Duramax 6.6L LLY/LBZ/LMM

SKU: SDPB66TURBO045
$3,498.48

The Sinister Diesel PITBULL SERIES® Turbocharger is a high-performance, drop-in upgrade for 2004.5–2010 Chevy and GMC Duramax 6.6L trucks. It retains the factory Variable Geometry Turbo and mounting style for easy installation, improves airflow for up to 690 horsepower, maintains low-end drivability, and reduces both peak exhaust gas temperatures (EGTs) and drive pressure.

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SINISTER DIESEL HIGH PERFORMANCE MOTOR MOUNTS (SDMMDMAX) FOR DURAMAX 2001-2010 LB7 / LLY / LBZ / LMM

SKU: SDMMDMAX
$556.49

Sinister Diesel High Performance Motor Mounts minimize drivetrain movement for better power transfer, smoother throttle transitions, and improved launches. They also enhance reliability, preventing wear and failure common in OEM mounts.

Sinister Diesel Reman Injector (SDINJGM06) for 2006-2007 Duramax LBZ 6.6L

SKU: SDINJGM06
$512.39

The Sinister Diesel Reman Injector for the 2006-2007 LBZ Duramax is a high-quality, remanufactured fuel injector designed to meet or exceed OEM specifications. Each injector undergoes a thorough inspection, cleaning, and rebuilding process using premium components for durability and reliability. Engineered for a smooth driving experience, it is built to withstand demanding conditions without compromise.

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Sinister Diesel Injector Fuel Return Hose Kit (SDIFRHKGM045) For 2004-2010 Duramax 6.6L

SKU: SDIFRHKGM045
$83.99

Sinister Diesel Injector Fuel Return Hose Kits are made to meet or exceed OEM specifications. Over time, and with exposure to heat, these hoses become brittle and prone to leaks or cracks. If you service or replace a fuel injector, make sure to replace your fuel return hose.

Sinister Diesel Cat Fuel Filter Adaptor (SDGCATDMAX) for 2001-2016 Duramax 6.6L

SKU: SDGCATDMAX
$199.28

The Sinister Diesel Duramax fuel filter and adapter kit upgrades the factory fuel filter on 2001-2016 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks with a 6.6L Duramax V-8. It includes a Caterpillar 2-micron spin-on fuel filter, improving filtration efficiency, fuel system longevity, and reducing maintenance costs.

Sinister Diesel 5″-6″ AR-15® Exhaust Tip (SDEXHSTAR56) Universal

SKU: SDEXHSTAR56
$401.31

The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 5-inch inlet and 6-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.

Sinister Diesel 4″-6″ AR-15® Exhaust Tip (SDEXHSTAR46) Universal

SKU: SDEXHSTAR46
$394.49

The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 4-inch inlet and 6-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.

Sinister Diesel 4″-5″ AR-15® Exhaust Tip (SDEXHSTAR45) Universal

SKU: SDEXHSTAR45
$375.38

The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 4-inch inlet and 5-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-8″ Chrome (SDETAC58P) Universal

SKU: SDETAC58P
$288.00

The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any vehicle with a 5″ exhaust tailpipe, including Powerstroke, Cummins, and Duramax. Made from corrosion-resistant stainless steel for durability, it expands the exhaust outlet from 5″ to 8″ with a rounded edge. A high-quality chrome finish helps conceal soot, while a riveted Sinister Diesel logo completes the design.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-8″ Blue (SDETAC58BLU) Universal

SKU: SDETAC58BLU
$380.84

The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any vehicle with a 5″ exhaust tailpipe, including Powerstroke, Cummins, and Duramax. Made from corrosion-resistant stainless steel for durability, it expands the exhaust outlet from 5″ to 8″ with a rounded edge. A high-quality Sinister Diesel Blue finish helps conceal soot, while a riveted Sinister Diesel logo completes the design.

 

Due to high demand, we are currently experiencing long lead times on this product

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-8″ Black (SDETAC58B) Universal

SKU: SDETAC58B
$288.00

The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any vehicle with a 5″ exhaust tailpipe, including Powerstroke, Cummins, and Duramax. Made from corrosion-resistant stainless steel for durability, it expands the exhaust outlet from 5″ to 8″ with a rounded edge. A high-quality Sinister Diesel Black finish helps conceal soot, while a riveted Sinister Diesel logo completes the design.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-7″ Chrome (SDETAC57P) Universal

SKU: SDETAC57P
$247.05

The Sinister Diesel Dual Wall Exhaust Tip gives your diesel truck a bold look with its angled cut design. Made from corrosion-resistant stainless steel, it ensures durability and long life. Designed to fit any 5″ tailpipe, it expands to a 7″ outlet and features a high-quality chrome finish to conceal soot. The exhaust tip is completed with a riveted Sinister Diesel logo for a stylish touch.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-7″ Blue (SDETAC57BLU) Universal

SKU: SDETAC57BLU
$353.54

The Sinister Diesel Dual Wall Exhaust Tip gives your diesel truck a bold look with its angled cut design. Made from corrosion-resistant stainless steel, it ensures durability and long life. Designed to fit any 5″ tailpipe, it expands to a 7″ outlet and features a high-quality Sinister Diesel blue finish to conceal soot. The exhaust tip is completed with a riveted Sinister Diesel logo for a stylish touch.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-7″ Black (SDETAC57B) Universal

SKU: SDETAC57B
$247.05

The Sinister Diesel Dual Wall Exhaust Tip gives your diesel truck a bold look with its angled cut design. Made from corrosion-resistant stainless steel, it ensures durability and long life. Designed to fit any 5″ tailpipe, it expands to a 7″ outlet and features a high-quality black finish to conceal soot. The exhaust tip is completed with a riveted Sinister Diesel logo for a stylish touch.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-6″ Chrome (SDETAC56P) Universal

SKU: SDETAC56P
$238.86

The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any 5″ 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 features a 5″ inlet, a 6″ outlet with an angle-cut edge, and a high-quality chrome finish. A riveted Sinister Diesel logo provides a distinctive touch.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-6″ Blue (SDETAC56BLU) Universal

SKU: SDETAC56BLU
$326.24

The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any 5″ 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 features a 5″ inlet, a 6″ outlet with an angle-cut edge, and a high-quality Sinister Diesel blue finish. A riveted Sinister Diesel logo provides a distinctive touch.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-6″ Black (SDETAC56B) Universal

SKU: SDETAC56B
$238.86

The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any 5″ 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 features a 5″ inlet, a 6″ outlet with an angle-cut edge, and a high-quality black finish. A riveted Sinister Diesel logo provides a distinctive touch.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 4″-8″ Chrome (SDETAC48P) Universal

SKU: SDETAC48P
$272.99

The Sinister Diesel Dual Wall Exhaust Tip enhances the look of diesel 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 8″ with an angled cut edge. The tip features a high-quality chrome finish and a riveted Sinister Diesel logo for a bold appearance.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 4″-8″ Blue (SDETAC48BLU) Universal

SKU: SDETAC48BLU
$367.19

The Sinister Diesel Dual Wall Exhaust Tip enhances the look of diesel 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 8″ with an angled cut edge. The tip features a high-quality Sinister Diesel blue finish and a riveted Sinister Diesel logo for a bold appearance.

Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 4″-8″ Black (SDETAC48B) Universal

SKU: SDETAC48B
$272.99

The Sinister Diesel Dual Wall Exhaust Tip enhances the look of diesel 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 8″ with an angled cut edge. The tip features a high-quality black finish and a riveted Sinister Diesel logo for a bold appearance.