Sinister Diesel

The Sinister Diesel CAT fuel filter adapter allows you to install a 2 micron CAT fuel filter without any major modifications.

Really add some performance to your 2003 to 2007 Ford Powerstroke 6.0L engine without major modifications by using a cold air intake from Sinister Diesel. You get an original design with this 6.0L Powerstroke cold air intake, which results in quicker...

Sinister Diesel Intake Elbow for the 2003-2007 Cummins. This kit is designed and engineered to out perform the competition. Comes with a Mandrel bent aluminum tube and CNC base plate designed to hold even the highest boost levels. Designed to fit all...

The Sinister Diesel Charge Pipe Kit for the Powerstroke 6.4L includes the intercooler pipe that connects the intercooler to the intake, and the pipe that connects the turbocharger compressor to the intercooler. This upgraded pipe is larger in diameter...

If you're looking to add a new look to your diesel truck on a budget, Sinister Diesel provides a great selection of truck exhaust tips. Use any of our expertly crafted, sleekly finished exhaust tips for your Ford F-250 or F-350 Super Duty Powerstroke,...

The Sinister Diesel LML Intake Bridge for 2011-2015 GM Duramax will increase off the line torque and horse power. Mandrell bent 3 inch aluminum tubing optimizes airflow after the throttle valve and heater grid. This part will retain the factory heater...

Before we put our name on any part we manufacture, it has to beat the competition in 5 ways: Strength; Performance; Simplicity; Durability; and Fit. The Sinister 7.3 cold air intake meets all those requirements, and more. STRENGTH: Sure, we could...

Sinister Diesel Upgraded Intercooler Charge Pipes with Replacement Silicone Boots and Clamps. **Will NOT work with Dual Alternators**

Sinister Diesel EGR Cooler for GMC and Chevy Duramax 2004.5-2005 6.6L LLY From Sinister Diesel's own manufacturing company comes an Exhaust Gas Recirculation (EGR) cooler to replace your factory EGR cooler. By removing inefficient interior cooling...

Sinister Diesel has reinvented the Exhaust Gas Recirculation (EGR) cooler with this great new model for the 6.0L Powerstroke with the same fit as the stock unit from Ford. This EGR cooler kit comes with a new square-style EGR cooler and an installation...

Sinister Diesel Intake Elbow for the 1998.5-2002 Cummins. This kit is designed and engineered to out perform the competition. Comes with a Mandrel bent aluminum tube and CNC base plate designed to hold even the highest boost levels. This intake elbow has...

Quicken your truck’s turbo spool-up and throttle response with this 6.7L Cummins cold air intake from Sinister Diesel. It’s been designed, engineered, and fabricated all in-house, so you’re getting a high-quality part for your 2007.5 to...

Add years of life to your Dodge Cummins 6.7 Liter diesel engine with this Water Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings (remnants left over from the casting and machining process when your Cummins...

Sinister Diesel hot side intercooler pipe (driver side charge pipe) fits 6.4L Ford Powerstroke F-250 and F-350. This upgrade replaces the factory hot side intercooler pipe to allow more air flow and better turbo response.

Sinister Diesel Polished 304 Stainless Steel Exhaust Tip (5" and 6") Because of their easy installation and stylish appearance, polished stainless exhaust tips are a popular add-on for diesel trucks. Sinister Diesel provides the best quality in exhaust...

Sinister Diesel Intake Elbow for the 2003-2007 6.0L. This kit is designed and engineered to out perform the competition. Comes with a Mandrel bent aluminum tube and CNC base plate designed to hold even the highest boost levels.

The Sinister Diesel steering box support helps to eliminate the wobble and steering play that is common in the Dodge pickups. This kit includes all of the hardware that you will need to do the install which can be done in under 1 hour. This kit will fit...

The Sinister steering box support helps to eliminate the wobble and steering play that is common in the Dodge pickups. This kit includes all of the hardware that you will need to do the install which can be done in under 1 hour. This kit will fit 94-02...

Sinister Diesel has now perfected our multi-Layered Steel cylinder head gaskets. Featuring a durable black coating, with five stainless steel layers. Adaptive fluoroelastomer (FKM) coating flows to seal rougher surface finishes These gaskets were...

Make sure you add this matching billet aluminum oil fill cap to go with the other anodized Sinister Diesel parts under your hood.

Add years of life to your Ford F-250, F-350 & Excursion 6.0L diesel engine with this Water Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings left over from the manufacturing process means your water pump,...

Add years of life to your Dodge Cummins 5.9 Liter diesel engine with this Water Coolant Filter System. Removing contaminates such as the casting sand and metal shavings (from the casting and machining process), means your water pump and engine oil cooler...

Add years of life to your Ford Super Duty F-250, F-350 & Excursion 7.3 Liter diesel engine with this Water Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings (from the casting and machining process when...

Sinister Diesel Black Ceramic Coated Stainless Steel Exhaust Tip, 4" Inlet, 5" Outlet - If you're looking to add a new look to your diesel truck on a budget, Sinister Diesel provides a great selection of truck exhaust tips. Use any of our expertly...

Sinister Diesel Polished 304 Stainless Steel Exhaust Tip (4" and 5") Because of their easy installation and stylish appearance, polished stainless exhaust tips are a popular add-on for diesel trucks. Sinister Diesel provides the best quality in exhaust...

Sinister Diesel's Billet Valve covers for the 2004.5-2010 Duramax will help clean up the engine bay, and add a little more clearance for custom turbo or fuel upgrades. These are fully CNC machined, then they are anodized in the Sinister Blue color for...

The Sinister Diesel stainless steel up-pipes for 2001-2004 6.6L LB7 Duramax engines are a great upgrade over the stock up-pipes. The Sinister Diesel mandrel-bent up-pipes flow better than the factory-installed pipes, they are also less likely to crack...

Upgrade your Up-pipes with Sinister's stainless steel mandrel bent up-pipes for your 2001-2004 GM Duramax.

CURRENTLY NOT FOR SALE IN THE STATE OF CALIFORNIASinister Diesel 7.3L Powerstroke Up-Pipes are made from stainless steel tubing, solid stainless steel CNC flanges, and include the factory cast merge piece. All seams are TIG welded on a jig fixture for...

Sinister Diesel's new Coolant Reservoir is made from 6061 aircraft grade aluminum which is TIG welded and pressure tested for maximum strength. This fabrication method makes Sinister’s tank significantly stronger than factory tanks which are molded...