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Fleece Performance Brand

428 products
Fleece Performance Engineering is a leading manufacturer of aftermarket diesel performance products. With a reputation for innovation, quality, and service, our products push the limits of diesel performance technology. Products such as the Cheetah line of Turbochargers, the TapShifter, and the TurboBrake have established Fleece Performance as an industry innovator.
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Fleece Performance | Universal Cummins Turbo Drain Tube Kit - Use With S300 / S400
$143.00
$143.00
Put the finishing touches on your truck with this high quality Turbo Drain Tube Kit. The tube is braided stainless steel for durability on the exterior, and reinforced rubber tubing for flow and ma...
Fleece | 2003-2018 Cummins Turbo Oil Feed Line Kit For S300 / S400 Turbos in 2nd Gen Location
$107.00
$107.00
Replacement Turbo Oil Feed Line designed for use with a 1/4" NPT inlet turbochargers.  The oil feed line is intended for use with S300 or S400 turbochargers mounted in a lower position and will NOT...
Fleece | 2003-2007 Dodge Ram 5.9L Cummins PowerFlo 750 Fleece | 2003-2007 Dodge Ram 5.9L Cummins PowerFlo 750
$2,911.00
$2,911.00
The Fleece Performance PowerFlo 750 CP3 for the 5.9L Cummins is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modifications. Not only...
Fleece | 2003-2005 Dodge Ram 5.9L Cummins Auto Trans Coolant Bypass Kit - Black
$510.00
$510.00
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. Thi...
Fleece | 2020-2024 GM Duramax 6.6L L5P Duramax (Short Bed) Fuel Filter Upgrade Kit Fleece | 2020-2024 GM Duramax 6.6L L5P Duramax (Short Bed) Fuel Filter Upgrade Kit
$326.00
$326.00
The patent pending 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 ...
Fleece | 1994-2018 Dodge Ram 2500 / 3500 Cummins Replacement O-Ring Kit For Coolant Bypass Kit Fleece | 1994-2018 Dodge Ram 2500 / 3500 Cummins Replacement O-Ring Kit For Coolant Bypass Kit
$34.00
$34.00
Replacement O-ring Kit for all Fleece Cummins Coolant Bypass Kits includes 3 new square cut O-rings, 1 new standard O-ring, and 2 new O-rings for the AN fittings.