Diesel Performance

Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. The plug is made from high quality 6061 aluminum, anodized black, and laser etched with...

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. Increase Intake Air...

Wake up your 2001-2004 LB7 with the drop in replacement Fleece Performance LB7 Cheetah Turbocharger. Featuring a Fleece Performance custom 63mm billet compressor wheel and high flow Inconel turbine wheel, this turbo can power your truck all the way up to 625RWHP! 100% Drop...

Fleece Performance Cheetah turbochargers set the industry standard for power, quality, and reliability. Designed as a stock appearing, drop-in replacement turbocharger capable of much more! With our exclusive 63mm compressor wheel and Inconel turbine wheel technology, you’ll enjoy smooth throttle response, big top-end power,...

All new Fleece Performance MAP sensor spacer for the secondary MAP sensor on the 2024-2025 L5P 6.6L Duramax. Because of the direct placement of the MAP sensor into the intake air stream from the factory, soot buildup becomes an ongoing maintenance problem. This requires...

Fleece Performance MAP Sensor Spacer with Boost Reference Port for the L5P Duramax. Problem: Because of the direct placement of the MAP sensor into the intake air stream from the factory, soot buildup becomes an ongoing problem. This requires the sensor to be routinely...

Gain up to 10 additional RWHP with our cast aluminum high flow intake horn for the 2017-2019 L5P 6.6L Duramax! Our intake horn directly replaces the smaller (2.4" diameter) plastic molded stock intake runner with our larger (3.3" diameter) cast aluminum model. Kit Contents:...

The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister filter provides for increased filter capacity and longer change intervals as well as expands your filter...

The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister filter provides for increased filter capacity and longer change intervals as well as expands your filter...

Increase your LB7's potential with this simple but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performance high flow LB7 intake horn – that's about the cheapest 15hp from a bolt on you'll find anywhere! Kit Includes: Cast aluminum...

Fleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expensive kit, just bolt it on and go. Designed as a stock appearing, drop in replacement turbo capable of much more!. With our exclusive...

Fleece Performance 7in Straight Cut Hood Stack Cover

Fleece Performance 7in 45 Degree Hood Stack Cover

Fleece Performance 6in Straight Cut Hood Stack Cover

Fleece Performance 6in 45 Degree Hood Stack Cover

Fleece Performance 5in Straight Cut Hood Stack Cover

Fleece Performance 5in 45 Degree Hood Stack Cover

Mitre Cut Fleece Performance hood stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight fit.

Replacement oil feed line adapter fitting for all Holset turbochargers from 1994-2022. Replacement for Cummins P/N: 4940183This Part Fits: Year Make Model Submodel 1994-2002 Dodge Ram 2500 Base 2003,2005-2010 Dodge Ram 2500 Laramie 2003-2010 Dodge Ram 2500 SLT 2006-2007 Dodge Ram 2500 Sport 2003-2010 Dodge...

Increase fuel flow on your 6.7L Cummins with our 1/2 in. high flow big line kit. This kit eliminates the restrictive factory line from the fuel filter housing to the injection pump with our larger hose and fittings.This Part Fits: Year Make Model Submodel...

From the turbo experts at Fleece Performance comes our all-new, HE400VG / HE451VE replacement turbocharger, providing you with a new, reliable replacement turbocharger to get you back on the road. Fleece Performance Engineering turbochargers set the industry standard for quality and reliability - our...

From the turbo experts at Fleece Performance comes our all new, HE400VG / HE451VE replacement turbocharger, providing you with a new, reliable replacement turbocharger to get you back on the road. Fleece Performance Engineering turbochargers set the industry standard for quality and reliability -...

This M8x1.25x20 Hex Bolt with M6x1.0x15 stud is perfect for custom applications and mountings. Produced in-house, this stud is produce from mild steel and black oxide coated.