Duramax: 2020-2025 (L5P)
Fleece 3/8″ CP3 Return Fitting (FPE-CP3-RTRN) for CP3 fuel pumps
The Fleece 3/8″ CP3 Return Fitting (FPE-CP3-RTRN) is a durable, high-quality aftermarket part designed for CP3 fuel pumps. It ensures a secure, leak-free return line connection to support optimal fuel system performance. Compatible with various fuel setups, it’s ideal for performance upgrades or maintenance. Made by Fleece Performance Engineering, it offers easy installation and reliable operation under demanding conditions.
Fleece Freedom Series Cylinder Head – Passenger Side (FPE-61-10014-P) for 2017-2023 Duramax L5P
The Fleece Freedom Series Cylinder Head – Passenger Side (FPE-61-10014-P) is a high-quality, direct-fit replacement for 2017–2023 GM Duramax L5P diesel engines. Designed for durability and performance, it features hardened valve seats, enhanced coolant flow, and upgraded valve guides. Suitable for both stock and modified engines, this fully assembled cylinder head offers improved reliability and efficiency under demanding conditions, making it ideal for rebuilds or performance upgrades.
Fleece Freedom Series Cylinder Head – Driver Side (FPE-61-10014-D) for 2017-2023 Duramax L5P
The Fleece Freedom Series Cylinder Head – Driver Side (FPE-61-10014-D) is a high-performance, direct-fit replacement for 2017–2023 GM Duramax L5P diesel engines. Built from premium materials, it exceeds OEM standards, offering enhanced durability, improved coolant flow, and structural strength to support increased horsepower and torque. Suitable for both stock and modified engines, it ensures optimal combustion efficiency and long-term reliability, making it ideal for engine rebuilds or performance upgrades.
Fleece Tall Stack Cover – 5″ Diameter – Straight Cut (FPE-STK-CVR-5-S) fits 5″ stack
The Fleece Tall Stack Cover (FPE-STK-CVR-5-S) is a durable protective cover designed for 5-inch straight-cut exhaust stacks. It provides a snug, tall fit to shield stacks from debris, moisture, and environmental elements, helping prevent corrosion and blockages. Ideal for trucks and performance vehicles, it helps extend the life of the exhaust system.
Fleece Tall Stack Cover – 6″ Diameter – Straight Cut (FPE-STK-CVR-6-S) fits 6″ stack
The Fleece Tall Stack Cover – 6″ Diameter – Straight Cut (FPE-STK-CVR-6-S) is a high-quality protective cover designed to fit 6-inch exhaust stacks with a straight-cut top. Crafted from durable materials, this cover helps prevent debris, moisture, and unwanted pests from entering the exhaust stack when the vehicle is not in use. Ideal for trucks with vertical exhaust stacks, the Fleece Tall Stack Cover ensures longevity and optimal performance by keeping the system clean and protected. Its snug fit and easy installation make it a practical and essential accessory for maintaining your exhaust system.
Fleece Tall Stack Cover – 6″ Diameter – Miter Cut (FPE-STK-CVR-6-45) fits 6″ stack
The Fleece Tall Stack Cover – 6″ Diameter – Miter Cut (FPE-STK-CVR-6-45) is a durable cover designed to protect 6-inch exhaust stacks. Featuring a 45-degree miter cut for a secure fit, it shields against debris, moisture, and pests when not in use. Made from high-quality materials, it helps maintain exhaust system performance and longevity in all weather conditions, making it a practical choice for truck owners and operators.
Fleece Tall Stack Cover – 5″ Diameter – Miter Cut (FPE-STK-CVR-5-45) fits 5″ stack
The Fleece Tall Stack Cover (FPE-STK-CVR-5-45) is designed for 5-inch diameter exhaust stacks with a miter cut. Made from fleece, it protects stacks from moisture, debris, and pests, helping prevent corrosion and extend system life. Ideal for trucks, generators, and industrial equipment, it offers a snug fit and easy use for effective maintenance.
Fleece Tall Stack Cover – 8″ Diameter – Straight Cut (FPE-STK-CVR-8-S) fits 8″ stack
The Fleece Tall Stack Cover – 8″ Diameter – Straight Cut (FPE-STK-CVR-8-S) is a durable, weather-resistant cover designed for 8-inch exhaust stacks on trucks and heavy-duty vehicles. It provides a secure fit to protect against debris, moisture, and harsh conditions when not in use. Featuring a sleek straight-cut design, it is easy to install and remove, helping to extend the life of exhaust components.
Bilstein B8 5100 Ride Height Adjustable Kit (24-337069) for 2019-2024 Duramax L5P
The Bilstein B8 5100 (Ride Height Adjustable) shock absorbers are designed for trucks and SUVs with front OE coilover-style suspension. They offer multiple snap-ring grooves for adjustable spring seat positions, enabling 0–3 inches of front lift using OE springs (application-dependent). Featuring a 46mm monotube design with a self-adjusting deflective disc valve, they provide enhanced wheel travel and improved handling. These shocks are an easy solution for leveling your vehicle.
Bilstein Rear B8 5160 Shock (25-311846) for 2001-2024 Duramax LB7 / LLY / LBZ / LMM / L5P / LML
The Bilstein B8 5160 remote reservoir shock absorbers are high-performance, direct-fit upgrades for lifted trucks and SUVs. They feature a remote reservoir for better cooling and increased wheel travel, enhancing off-road capability. With a monotube design and velocity-sensitive digressive valving tuned for specific vehicles, these shocks deliver consistent, fade-free performance. They also include a 360-degree swivel banjo hose fitting and a sleek billet reservoir mount for a clean installation. Overall, the B8 5160 shocks boost durability and off-road performance.
S&B Intake Replacement Filter Dry Extendable (KF-1077D) for Cold air Intake 75-5137-1D
The S&B Intake Replacement Filter Dry Extendable (KF-1077D) is a high-quality and durable air filter designed specifically for use with the S&B Cold Air Intake 75-5137-1D. This replacement filter is an essential component for maintaining the performance and efficiency of your cold air intake system.
S&B Intake Replacement Filter Cotton Cleanable (KF-1077) for Cold air Intake 75-5137-1
The S&B Intake Replacement Filter Cotton Cleanable (KF-1077) is a high-quality air filter designed for use with the S&B Cold Air Intake (75-5137-1). This filter is specifically engineered to provide superior filtration and protection for your engine, while also improving overall performance and efficiency.
Sinister Diesel Pre-Filter Sock for Cold Air Intake (SDUPFS0120)
The Sinister Diesel Pre-Filter Sock helps keep your truck’s air filter clean by blocking debris down to 5 microns without reducing airflow. This extra layer of protection improves performance and extends filter life. Backed by a 2-year warranty.
Sinister Diesel Intake Horn (SDIHL5P20) for 2020-2021 GM Duramax L5P 6.6L
The Sinister Diesel Intake Horn is a high-quality aftermarket upgrade for the 2020-2021 GM Duramax L5P, designed to improve airflow and durability. Made from 6061 aluminum, it replaces the restrictive factory plastic unit, preventing cracking and turbo issues. Its 3.5″ mandrel-bent aluminum tubing and machined billet flange ensure optimal airflow, reducing turbo surging and enhancing performance. This upgrade provides increased reliability and longevity for the Duramax air system.
All sales are final for clearance items. Only valid while supplies last.
Sinister Diesel 5″-6″ AR-15® Exhaust Tip (SDEXHSTAR56) Universal
The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 5-inch inlet and 6-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.
Sinister Diesel 4″-6″ AR-15® Exhaust Tip (SDEXHSTAR46) Universal
The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 4-inch inlet and 6-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.
Sinister Diesel 4″-5″ AR-15® Exhaust Tip (SDEXHSTAR45) Universal
The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 4-inch inlet and 5-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-8″ Chrome (SDETAC58P) Universal
The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any vehicle with a 5″ exhaust tailpipe, including Powerstroke, Cummins, and Duramax. Made from corrosion-resistant stainless steel for durability, it expands the exhaust outlet from 5″ to 8″ with a rounded edge. A high-quality chrome finish helps conceal soot, while a riveted Sinister Diesel logo completes the design.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-8″ Blue (SDETAC58BLU) Universal
The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any vehicle with a 5″ exhaust tailpipe, including Powerstroke, Cummins, and Duramax. Made from corrosion-resistant stainless steel for durability, it expands the exhaust outlet from 5″ to 8″ with a rounded edge. A high-quality Sinister Diesel Blue finish helps conceal soot, while a riveted Sinister Diesel logo completes the design.
Due to high demand, we are currently experiencing long lead times on this product
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-8″ Black (SDETAC58B) Universal
The Sinister Diesel Dual Wall Exhaust Tip adds a bold look to any vehicle with a 5″ exhaust tailpipe, including Powerstroke, Cummins, and Duramax. Made from corrosion-resistant stainless steel for durability, it expands the exhaust outlet from 5″ to 8″ with a rounded edge. A high-quality Sinister Diesel Black finish helps conceal soot, while a riveted Sinister Diesel logo completes the design.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-7″ Chrome (SDETAC57P) Universal
The Sinister Diesel Dual Wall Exhaust Tip gives your diesel truck a bold look with its angled cut design. Made from corrosion-resistant stainless steel, it ensures durability and long life. Designed to fit any 5″ tailpipe, it expands to a 7″ outlet and features a high-quality chrome finish to conceal soot. The exhaust tip is completed with a riveted Sinister Diesel logo for a stylish touch.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-7″ Blue (SDETAC57BLU) Universal
The Sinister Diesel Dual Wall Exhaust Tip gives your diesel truck a bold look with its angled cut design. Made from corrosion-resistant stainless steel, it ensures durability and long life. Designed to fit any 5″ tailpipe, it expands to a 7″ outlet and features a high-quality Sinister Diesel blue finish to conceal soot. The exhaust tip is completed with a riveted Sinister Diesel logo for a stylish touch.
Sinister Diesel Dual Wall Exhaust Tip w/angle Cut 5″-7″ Black (SDETAC57B) Universal
The Sinister Diesel Dual Wall Exhaust Tip gives your diesel truck a bold look with its angled cut design. Made from corrosion-resistant stainless steel, it ensures durability and long life. Designed to fit any 5″ tailpipe, it expands to a 7″ outlet and features a high-quality black finish to conceal soot. The exhaust tip is completed with a riveted Sinister Diesel logo for a stylish touch.
