Duramax: 2011-2016 (LML)
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.
Sinister Diesel Coolant Filtration System (w/ WIX) (SDCOOLFIL6611W) for 2011-2015 Duramax 6.6L LML
This Coolant Filter Bypass System extends the life of your diesel engine by removing contaminants like casting sand and metal shavings, protecting the water pump, EGR cooler, and oil cooler. It filters small amounts of coolant while the engine runs. The CNC-machined aluminum filter block mounts using factory holes, requiring no drilling. The kit includes all necessary fittings, and the filter is easy to replace.
Sinister Diesel Cold Air Intake (SDCAILML13) for 2013-2016 Duramax 6.6L LML
The Sinister Diesel Cold Air Intake enhances the performance and efficiency of 2013-2016 Duramax 6.6L engines by improving throttle response and turbo spool-up. Made with CNC mandrel-bent aluminum tubing for durability and smooth airflow, it features an oversized reusable cotton filter for better airflow and lower maintenance.
Sinister Diesel Cold Air Intake (SDCAILML11) for 2011-2012 Duramax 6.6L LML
Upgrade your 2011-2012 Duramax 6.6L LML with the Sinister Diesel Cold Air Intake for better performance, fuel efficiency, and engine sound. It improves throttle response and turbo spool-up, making it ideal for daily driving, towing, or racing. Featuring CNC mandrel-bent aluminum tubing to reduce heat soak and a reusable cotton filter for maximum airflow, it ensures durability and superior filtration.
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 (SDALT6613320) for 2013-2017 Duramax 6.6L
The Sinister Diesel 320 amp alternator is a high-quality replacement for the OEM alternator in 2013-2018 GM Duramax 6.6L diesel engines. It prevents power issues that can lead to PDM failures by providing stronger, more reliable performance. Unlike remanufactured options, this alternator features all-new OEM components, an upgraded high-output regulator, high-temperature bearings, and a durable powder-coated aluminum chassis.
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.
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.
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.
BD Diesel Allison Pressure Controller (1031315) for 2011-2016 Duramax LML
The Allison Pressure Controller for 2011–2016 Chevy Duramax trucks boosts transmission line pressure up to 275psi, increasing clutch holding power by 25% to 115% and enhancing transmission durability for towing, street, and race use. Unlike always-active solenoid foolers, it only activates above 15psi turbo boost, avoiding excess heat and rough shifting. It installs in under an hour.
Fleece Replacement CP3 fuel return hose for CP3 Conversion Kit (FPE-LML-HS-RTRN) for 2011-2016 Duramax LML
The Fleece Performance Replacement CP3 Fuel Return Hose (FPE-LML-HS-RTRN) is a durable, high-quality hose designed for 2011–2016 GM Duramax LML diesel engines with a CP3 conversion. It ensures a secure, leak-free connection between the CP3 pump and the factory return system, maintaining optimal fuel performance. Built to withstand high-pressure diesel systems, it offers a precise fit and OE-style reliability, making it ideal for CP3 conversions or hose replacements.
S&B Intake Replacement Filter Cotton Cleanable (KF-1052) for 2011 – 2014 Duramax 6.6L LML
The S&B Intake Replacement Filter Cotton Cleanable (KF-1052) is a high-quality, durable filter designed specifically for 2011-2014 Duramax LML engines. This filter is a direct replacement for the factory air filter and offers superior filtration and airflow for improved engine performance.
