Duramax: 2007.5-2010 (LMM)
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 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 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 (SDALT6608320) for 2008-2012 Duramax 6.6L
The Sinister Diesel 320 Amp OEM alternator is a reliable solution for GM Duramax 6.6L alternator failures, which can cause electronics issues due to low voltage. It features brand-new OEM components, ensuring high quality and direct fitment without modifications. The product 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.
