Collection:
Fleece Performance Brand
426 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.
Fleece | 2017-2022 GM 2500 / 3500 6.6L Duramax Replacement Fuel Injector Connector With Pigtail (8 Pack)
Regular price
$299.99
Sale price
$299.99
Regular price
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/per
A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly. This connector is typically replaced during an ...
Fleece | 2015-2016 GM 2500 / 3500 LML 6.6L Duramax HD Transmission Cooler Lines
Regular price
$329.99
Sale price
$329.99
Regular price
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/per
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LML truck! ...
Fleece | 1998.5-2022 Dodge Ram 2500 / 3500 Cummins Turbo Drain Adapter TO 7 / 8in Hose
Regular price
$19.99
Sale price
$19.99
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/per
The Cummins turbo drain tube adapter is made from high quality 6061 aluminum and anodized black for a superior appearance. It fits into the engine block drain tube location just like the factory dr...
Fleece | 2019-2024 Dodge Ram 6.7L Cummins Fuel Filter Eliminator
Regular price
$64.95
Sale price
$64.95
Regular price
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/per
Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system your factory fuel filter is no longer necessary. The fac...
Fleece | 2003-2007 Dodge Ram 5.9L Cummins Manual Trans Coolant Bypass Kit - Black
Regular price
$359.00
Sale price
$359.00
Regular price
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/per
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 | 1989-1998 Dodge Ram 2500 / 3500 5.9L Cummins Mechanical Fuel Pump Block Off Plate
Regular price
$34.99
Sale price
$34.99
Regular price
Unit price
/per
Have you upgraded from your factory mechanical lift pump to an electric pump? This block off will eliminate the void left by your stock pump. Complete with bolts, cover, and o-ring.
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