
Collection: Fleece Performance Engineering
Tameless Performance proudly offers a full range of Fleece Performance Engineering products designed to enhance the performance, efficiency, and reliability of your diesel engine. Known for their innovative and high-quality solutions, Fleece Performance Engineering specializes in turbochargers, fuel systems, and engine components tailored for Cummins, Duramax, and Powerstroke platforms. Whether you’re looking to boost horsepower, improve fuel economy, or upgrade critical components, Fleece Performance products deliver results you can trust.
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Fleece Performance FPE-61-10004-D Freedom Series Duramax Cylinder Head for 2011-2016 LML (Driver Side)
Regular price $1,098.00 USDSale price $1,098.00 USD Regular priceUnit price / per -
Fleece Performance '-8 to 3/4 Inch-16 Straight Male Black w/ O-Ring FPE-APT-34-08
Regular price $10.99 USDSale price $10.99 USD Regular priceUnit price / per -
Fleece Performance Replacement Oil Feed Line Fitting with sealing washer FPE-APT-M12-06
Regular price $13.95 USDSale price $13.95 USD Regular priceUnit price / per -
Fleece Performance Turbocharger Oil Feed Line for 2019-Present 6.7L Ram Cummins FPE-CRTFL-19
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price / per -
Fleece Performance Fleece Performance Cummins Cylinder Head Dowels FPE-CUMM-CYLHD-KIT
Regular price $20.99 USDSale price $20.99 USD Regular priceUnit price / per -
Fleece Performance Fleece Performance Cummins Front Gear Housing Dowels FPE-CUMM-FGHD-KIT
Regular price $19.94 USDSale price $19.94 USD Regular priceUnit price / per -
Fleece Performance Stainless Steel Fuel Supply Tube Nuts for 5.9/6.7L Cummins FPE-CUMM-SSFTN
Regular price $89.99 USDSale price $89.99 USD Regular priceUnit price / per -
Fleece Performance GM Duramax Oil Cooler Adapter Kit FPE-DMAX-OCADPT
Regular price $99.00 USDSale price $99.00 USD Regular priceUnit price / per -
Fleece Performance 2010-2018 4th Gen Dodge/Cummins Fuel Filter Delete FPE-FFD-RO-4G
Regular price $62.95 USDSale price $62.95 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch Black Anodized Aluminum Y Barbed Fitting (For -6 Pushlock Hose) FPE-FIT-Y06-BLK
Regular price $23.99 USDSale price $23.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Black Anodized Aluminum Y Barbed Fitting (For -8 Pushlock Hose) FPE-FIT-Y08-BLK
Regular price $24.99 USDSale price $24.99 USD Regular priceUnit price / per -
Fleece Performance Intake Air Temperature Sensor Extension Harness for 13-18 Dodge Ram 6.7L Cummins Fleece FPE-HAR-67-IAT-EXT
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
Fleece Performance Duramax Fan Extension Harness (LML) FPE-HAR-DMAX-FAN-LML
Regular price $45.99 USDSale price $45.99 USD Regular priceUnit price / per -
Fleece Performance Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 4 pack FPE-HAR-L5P-INJ-PT-4P
Regular price $179.99 USDSale price $179.99 USD Regular priceUnit price / per -
Fleece Performance Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 8 pack FPE-HAR-L5P-INJ-PT-8P
Regular price $299.99 USDSale price $299.99 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch Quick Connect to -8AN Male Adapter for OEM Dodge Ram Cummins Sending Unit FPE-QUCON-OE-38
Regular price $17.99 USDSale price $17.99 USD Regular priceUnit price / per -
Fleece Performance 2004.5-2010 Duramax Billet Turbo Resonator Delete Plug LLY/LBZ/LMM FPE-RES-04.5-10
Regular price $23.80 USDSale price $23.80 USD Regular priceUnit price / per -
Fleece Performance FPE-351-1920 Cheetah® Turbocharger for 2019-2022 6.7L Cummins
Regular price $3,099.00 USDSale price $3,099.00 USD Regular priceUnit price / per -
Fleece Performance Stainless Steel Turbo Stud Kit for S-300/S-400 FPE-34856
Regular price $49.95 USDSale price $49.95 USD Regular priceUnit price / per -
Fleece Performance FPE-61-10007-HD 6.7L Freedom Series Cummins Cylinder Head (Street-HD)
Regular price $2,599.00 USDSale price $2,599.00 USD Regular priceUnit price / per -
Fleece Performance 94-18 Dodge 2500/3500 Cummins Coolant Bypass Service Kit FPE-CLNTBYPS-CUMMINS-SER-KIT
Regular price $27.99 USDSale price $27.99 USD Regular priceUnit price / per -
Fleece Performance 2011-2016 LML Duramax Turbo Installation Kit For S300/S400 FPE-TURBO-INST-KIT-DMAX-LML
Regular price $299.95 USDSale price $299.95 USD Regular priceUnit price / per -
Fleece Performance 24 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-24
Regular price $76.00 USDSale price $76.00 USD Regular priceUnit price / per -
Fleece Performance 6 Inch 45 Degree Hood Stack Cover FPE-HSC-6-45
Regular price $41.99 USDSale price $41.99 USD Regular priceUnit price / per -
Donaldson P551329 Replacement Fuel Filter – Case of 12
Regular price $263.54 USDSale price $263.54 USD Regular priceUnit price / per -
Donaldson P551329 Substitute Fuel Filter – Spin-On Water Separator
Regular price $22.99 USDSale price $22.99 USD Regular priceUnit price / per -
Fleece Performance Under Bed Fuel Filter Assembly For 2019–2024 Ram 2500/3500 6.7L Cummins
Regular price $299.00 USDSale price $299.00 USD Regular priceUnit price / per -
Fleece Performance Replacement Coolant Tank For 2013 - 2018 Ram 6.7L Cummins
Regular price $489.00 USDSale price $489.00 USD Regular priceUnit price / per
Unleash the Power of Diesel Trucks with Fleece Performance Engineering!
Discover the pinnacle of diesel performance with Fleece Performance Engineering's cutting-edge parts. Experience unrivaled power, efficiency, and excellence as you take your truck to new heights of performance. Our precision-engineered products ensure seamless integration, making every ride a seamless joy. Say goodbye to average and embrace extraordinary acceleration, towing prowess, and fuel efficiency.
Join the league of truck owners who dominate the road and conquer tough terrains effortlessly. Fueled by our commitment to excellence and innovation, Fleece Performance Engineering offers you a lasting partnership for all your diesel needs.
Upgrade your diesel truck today and embrace a new era of diesel dominance. Order your Fleece Performance Engineering products now and unleash the true potential of your truck!