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EFI Live FlashScan 3 (FS3-GM) for 2001-2016 GM Duramax LML/LMM/LBZ/LLY/LB7

SKU: FS3-GM
$1,076.25

FlashScan V3 Scan Only is a scan tool, data logger and calibration reader for selected GM, Dodge Cummins and Cummins HD engine controllers, in either standalone mode (FlashScan V3 to vehicle connection), or in pass through mode (PC/laptop to FlashScan V3 to vehicle connection).

Industrial Injection XR1 Turbocharger 63.5mm (8973077111-XR1) for 2001-2004 Duramax 6.6L LB7

SKU: 8973077111-XR1
$2,007.60

This XR1 Series LB7 Turbocharger comes with an upgraded Billet Blade Technology 63.5mm compressor wheel as well as a polished compressor housing. The Billet Blade Technology compressor wheel is designed to increase turbo efficiency to help lower EGT’s while adding strength and reliability.

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Sinister Diesel “Welded” Water Pump (SDWWP01) for 2001-2005 Duramax LB7 / LLY

SKU: SDWWP01
$363.08

The Sinister Diesel SDWWP01 Welded Water Pump SDWWP01 is a heavy-duty cooling upgrade for 2001-2005 Duramax LB7 and LLY trucks featuring TIG welded impeller and pump gear construction for improved reliability.

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

SKU: SDUPFS0120
$58.68

The Sinister Diesel Pre-Filter Sock for Cold Air Intake SDUPFS0120 helps protect your air filter from dirt and debris buildup. It filters contaminants down to 5 microns while maintaining consistent airflow performance. The pre-filter helps extend air filter service life and supports reliable intake airflow. Testing shows no significant airflow restriction during operation. The SDUPFS0120 includes a 2-year warranty.

SINISTER DIESEL TRANSMISSION REAR HOUSING SUPPORT (SDRHSDMAXZF6) FOR 2001-2005 Duramax LB7 LLY using ZF6 transmission

SKU: SDRHSDMAXZF6
$200.54

The Sinister Diesel Transmission Rear Housing Support SDRHSDMAXZF6 fits 2001-2005 Duramax LB7 and LLY trucks with ZF6 manual transmissions. It is built from 7/8-inch .120 wall DOM mild steel tubing for added strength and durability. This support helps reduce stress caused by driveline vibration and damaged driveline components. The direct-fit design installs using factory bolts. The SDRHSDMAXZF6 provides dependable drivetrain reinforcement for 4×4 applications.

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 fits 2001-2007 Duramax LB7, LLY, and LBZ trucks with Allison automatic transmissions. It uses heavy-duty DOM mild steel tubing to reinforce the rear transmission housing. This support helps reduce drivetrain stress caused by vibration and damaged driveline components. The direct-fit design installs using factory mounting locations. The SDRHSDMAX0107 includes a 2-year warranty.

Sinister Diesel Radiator Pipe (SDRADTUBEDMAX01) for 2001-2005 Duramax 6.6L LB7 / LLY

SKU: SDRADTUBEDMAX01
$225.21

The Sinister Diesel Radiator Pipe SDRADTUBEDMAX01 fits 2001-2005 Duramax LB7 and LLY engines. It replaces factory coolant hoses with durable 6061 aluminum construction and four-ply silicone boots. The upgraded design improves cooling system reliability and helps resist cracking over time. Precision mandrel bends provide proper factory-style fitment. The SDRADTUBEDMAX01 also improves engine bay appearance with a Sinister Blue finish.

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 Injector Set (Set of 8) (SDLB7INJK0120) for 2001-2004 Duramax 6.6L LB7

SKU: SDLB7INJK0120
$2,652.29

Sinister Diesel remanufactured fuel injectors for the 6.6L Duramax LB7 restore OEM performance in 2001-2004 Chevy/GMC 2500 and 3500HD trucks. These injectors replace worn stock parts, improving fuel delivery, horsepower, and torque at a lower cost than OEM replacements.

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Sinister Diesel Injector Package (SDINJPKGLB7) for 2001-2004 Duramax LB7

SKU: SDINJPKGLB7
$4,747.04

Sinister Diesel’s Injector Package is designed to strengthen high-performance diesel truck engines by providing a complete set of gaskets and injectors. The package includes ARP head studs, which offer superior clamping force to prevent head gasket failure, and Mahle Motorsport Grade C head gaskets, which ensure a secure seal. The package also contains a full gasket set for all engine components sealing against the cylinder head. Additionally, it includes Sinister Diesel Remanufactured Injectors and matching High-Pressure Fuel Injector Lines, restoring OEM performance at a lower cost than factory replacements.

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Sinister Diesel Injector Fuel Return Line Gasket Kit (SDIFRLGKGM01) For 2001-2004 Duramax 6.6L

SKU: SDIFRLGKGM01
$15.74

The Sinister Diesel Injector Fuel Return Line Gasket Kit is designed for 2001-2004 GM Duramax 6.6L engines, providing a durable and reliable seal for the injector fuel return system. It helps prevent leaks, ensures proper fuel circulation, and maintains engine performance. Made from high-quality materials, the kit withstands high temperatures and pressure, making it ideal for maintenance or part replacement.

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.