The Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non-water cooled turbocharger on your Duramax. It provides clearance for larger intake plumbing, is CNC machined from 6061-T6 aluminum, and uses an o-ring seal...

Brighten up your driving experience with this simple upgrade inside your fuse box. Simply install the GM All Lights On Module to allow your high-beams, low-beams and fog lamps to simultaneously illuminate the road ahead. Once installed the GM All Lights On Module will...

The Fleece Performance Intake Air Heater Delete is a simple way to remove the air intake heater on your 2001-2004 GM 6.6L Duramax. Complete with a pre-drilled and tapped ports for a boost gauge, nitrous, water methanol injection and other accessories. Features: Increase Intake...

Want to get rid of that big ugly resonator under the hood of your LML? This billet aluminum plate, anodized in black with Fleece engraved across the top will take its place and give your truck some personality. Our resonator delete plate is designed...

We couldn't even leave a stack cover alone, we had to upgrade that too! Fleece Performance stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight fit. Additional Attributes Country Of Origin: USA...

We couldn't even leave a stack cover alone, we had to upgrade that too! Fleece Performance stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight fit. Additional Attributes Country Of Origin: USA...

We couldn't even leave a stack cover alone, we had to upgrade that too! Fleece Performance stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight fit. Additional Attributes Country Of Origin: USA...

We couldn't even leave a stack cover alone, we had to upgrade that too! Fleece Performance stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight fit. Additional Attributes Country Of Origin: USA...

Fleece Performance Tie Rod Sleeves are a must for any 99-10 GM 2500-3500HD pickup that utilizes four-wheel drive. These support sleeves keep the weak factory tie rods from bending under the added stress of lifted torsion bars, increased horsepower and torque, and aggressive tires....

Fleece Performance LML Tie Rod Sleeves are a must for any 2011 and up GM 2500-3500HD pickup that utilizes four-wheel drive. These support sleeves keep the weak factory tie rods from bending under the added stress of lifted torsion bars, increased horsepower and torque,...

6061 Aluminum Black Anodize 7/8 inch-14 o-ring Fitment: S300 S400 Garrett (LLY-LML) IHI (LB7) HE341 ('03-'05 Cummins) HE351CW ('06-'07 Cummins) HE351VE ('07+ Cummins) Additional Attributes Country Of Origin: USA Universal: No Vehicle Type: Truck/SUV Material: Aluminum Sold As: Each Color: Black Fuel Type: Diesel...

Universal Turbo Drain Nipple with Integrated O-Ring Seal (7/8 inch Hose) Additional Attributes Country Of Origin: USA Universal: Yes Vehicle Type: Truck/SUV Sold As: Each Fuel Type: Diesel

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block...

Replacement coolant bypass house with stainless steel braiding for our Common Rail/VP44 Cummins Coolant Bypass Kits. For use with the following kits: FPE-CLNTBYPS-CUMMINS-VP-SS FPE-CLNTBYPS-CUMMINS-0607-SS FPE-CLNTBYPS-CUMMINS-0305-SS FPE-CLNTBYPS-CUMMINS-6.7-SS FPE-CLNTBYPS-CUMMINS-MAN-SS Vehicle Fitments Chevrolet Silverado 3500 2001 to 2002 Chevrolet Silverado 2500 HD 2001 to 2002 GMC Sierra...

The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily driving and everything in-between, the TapShifter installs in no time and provides...

The Fleece Performance TapShifter allows you to shift your 5 speed Allison Transmission with the touch of a button. Perfect for towing, drag racing, daily driving and everything in-between, the TapShifter installs in no time and provides factory-like operation, functionality and styling. Installation: The...

Once you've installed an aftermarket Fuel Filtration System such as our FASS Signature Series, the use of the factory fuel filter housing is no longer required and can be removed. This filter housing delete kit will replace your factory fuel filter housing with the...

When installing a FASS Industrial Series System on a late-model Paccar MX-13 engine without a frame-mounted water separator, our new PAK2001 Kit allows the FASS return and feed lines to be easily adapted to the factory fuel module. This kit includes fittings to adapt...

The Titanium Signature Series diesel fuel system was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliable aftermarket filtration system in the diesel industry. Rated at 140 gallons per hour and backed by our limited lifetime warranty the...

The Titanium Signature Series diesel fuel system was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliable aftermarket filtration system in the diesel industry. Rated at 140 gallons per hour and backed by our limited lifetime warranty the...