Duramax
Sinister Diesel Intake Bridge (SDGINTELLML) for 2011-2014 Duramax LML
The Sinister Diesel LML Intake Bridge improves airflow in 2011-2016 GM 6.6L Duramax engines by replacing restrictive stock piping with larger, CNC mandrel-bent aluminum tubing. This reduces intake restriction, enhancing performance and turbo spool.
Sinister Diesel Cat Fuel Filter Adaptor (SDGCATDMAX) for 2001-2016 Duramax 6.6L
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 4″-6″ Chrome (SDETAC46P) 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 chrome 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″ 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 Degas Bottle (SDDEGASLML13) for 2013-2015 Duramax 6.6L
Upgrade your 2013-15 Duramax 6.6L with Sinister Diesel’s high-strength, all-aluminum coolant reservoir. Made from 6061 aircraft-grade aluminum, TIG welded, and pressure tested, it enhances durability and heat dissipation for better performance and longevity. This direct drop-in replacement requires no modifications and installs in under 30 minutes with basic tools.
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.
