6.6L LLY (2004.5-2005) Duramax

🛡️ Stainless Diesel Filter Wrap – Fits 5" x 12" Oiled or Dry FiltersExtend Filter Life & Boost Performance Consistency Protect your investment and keep your air filter breathing freely with a custom-fit Stainless Diesel filter wrap. Designed for our 5.00" x 12.00" filters...

🔩 Stainless Diesel T-Bolt Band Clamps – Heavy-Duty 300 Series Stainless Steel for High-Boost Applications Stainless Diesel T-Bolt Band Clamps deliver leak-proof, high-strength connections ideal for heavy-duty diesel, industrial, and performance applications. Made from corrosion-resistant 300 series stainless steel, these clamps feature rounded band...

🔥 2.75" to 3.00" High-Temp Silicone Reducer Boot – 4" Long, 5-Ply Reinforced for Diesel Boost Applications This heavy-duty silicone reducer boot transitions from 2.75" ID to 3.00" ID over a 4" length, making it perfect for custom intercooler, charge-air, and intake piping setups....

🔥 3.00" ID x 4.00" Long Straight Silicone Hump Boot – High-Temp, Reinforced for Flex & Vibration Control This 3.00" ID x 4.00" Long Straight Silicone Hump Boot is designed to provide superior flexibility, vibration absorption, and secure sealing in high-performance intake and intercooler...

🔥 2.75" to 3.00" High-Temp Silicone Reducer Boot – 6.00" Long, 5-Ply Reinforced for Diesel Boost | Special Length This specialty 6.00" long silicone reducer boot is designed for demanding diesel and high-performance applications requiring a longer transition between 2.75" and 3.00" piping. Constructed...

🔩 Stainless Diesel T-Bolt Band Clamps – Heavy-Duty Stainless Steel for Silicone Boots & Charge Piping Stainless Diesel T-Bolt Band Clamps provide a secure, leak-proof connection for high-pressure air intake, intercooler, and coolant systems. Made from high-strength 300-series stainless steel, these clamps feature rounded...

🔩 Heavy-Duty T-Bolt Band Clamps – 300 Series Stainless Steel for High-Boost Diesel & Industrial Applications Stainless Diesel T-Bolt Band Clamps are engineered for secure, leak-proof connections in demanding industrial and diesel performance environments. Constructed from 300 series stainless steel, these clamps provide superior...

Heavy Duty Turbo Inlet V-Band Clamp – Fits LLY, LBZ, LMM, LML Duramax (2004.5–2016) Upgrade your Duramax turbo system with this Heavy Duty V-Band Turbo Inlet Clamp, engineered as a direct-fit replacement for the weak factory worm-gear clamp. Designed for high-boost, high-horsepower applications, this clamp...

🔍 Boost Leak Tester Kit – Universal Turbo Inlet Tool with Billet Plug, Silicone Coupler & T-Bolt Clamps Stop guessing and start diagnosing with our universal Boost Leak Tester Kit—designed to quickly locate boost leaks in your turbocharged system by pressurizing the entire intake...

🔥 5.00" ID x 4.00" Long Straight Silicone Coupler – 5-Ply Reinforced, High-Temp Boot for High-Boost Diesel Applications This 5.00" ID x 4.00" long straight silicone coupler is built to handle the extreme pressure and heat of high-boost diesel engines. Made from 5-ply reinforced...

🔧 Boost Leak Tester Master Kit – Turbo Inlet Pressure Tool with Billet Plug, Silicone Boots & T-Bolt Clamps Boost Leak Testing Made EasyThe best way to ensure your turbo is working at its best is by checking for boost leaks. Boost leaks are...

🔥 3.00" to 3.50" Silicone Reducer Boot – 4.00" Long, High-Temp 5-Ply Construction for Diesel & Performance Applications This premium 3.00" ID to 3.50" ID silicone reducer boot is engineered to handle the extreme heat and pressure of high-performance turbo systems. With a 4.00"...

🛠️ LLY 65mm 5Blade Mafia™ Drop-In Turbocharger – High-Performance Turbo Upgrade for 2004.5–2005 6.6L Duramax LLY Upgrade your 2004.5–2005 Duramax with the Stainless Diesel LLY 65mm 5Blade Mafia™ Drop-In Turbo—designed for diesel owners who want louder sound, more towing power, and serious street performance. Whether...

🔥 3.00" ID x 10.50" Long Straight Silicone Coupler – Special Extended Length, 5-Ply Reinforced for High-Boost Diesel Applications This special-length 3.00" ID x 10.50" long straight silicone boot is designed for high-performance diesel applications where extended coupling distance is required. Constructed from 5-ply...

🔥 5.00" to 5.50" Silicone Reducer Boot – Special 5.00" Long, 5-Ply Reinforced for High-Boost Diesel Applications This special-length 5.00" ID to 5.50" ID silicone reducer boot is built to withstand the extreme conditions of high-boost diesel systems. At 5.00" long and constructed from...

🧼 Precision II: Cleaning & Oil Kit – Red Oil Maximize your air filter’s performance and extend its life with the Precision II Cleaning & Oil Kit. Designed to work on any S&B air filter and compatible with 95% of other high-performance cotton gauze...

🔥 4.00" to 5.00" Silicone Reducer Boot – 4.00" Long, 5-Ply Reinforced for High-Boost Diesel Applications This 4.00" ID to 5.00" ID high-temperature silicone reducer boot is built to handle the extreme demands of high-boost diesel and performance engine systems. With a durable 5-ply...

🛠️ LLY 63mm 5Blade Mafia™ Drop-In Turbocharger – High-Performance Upgrade for 2004.5–2005 6.6L Duramax LLY Unlock more power, louder whistle, and greater efficiency with the Stainless Diesel LLY 63mm 5Blade Mafia™ Drop-In Turbo—engineered for 2004.5–2005 6.6L Duramax LLY trucks. Whether you're towing heavy loads, daily driving,...

🔩 Heavy-Duty T-Bolt Band Clamps – 300 Series Stainless Steel for High-Boost Diesel & Industrial Applications Stainless Diesel T-Bolt Band Clamps are engineered for secure, leak-proof connections in demanding industrial and diesel performance environments. Constructed from 300 series stainless steel, these clamps provide superior...

🔥 Build-Your-Own SD Twin Turbo Hot Pipe Kit – Custom DIY Setup Want to fabricate your own high-performance twin turbo setup? Now you can, using the exact same components found in our proven SD Twin Piping Kits — now offered in a weld-it-yourself format....

🔥 3.50" ID x 4.00" Long Straight Silicone Coupler – 5-Ply Reinforced, High-Temp Boot for Diesel Boost Applications This 3.50" ID x 4.00" long straight silicone coupler is engineered for high-performance diesel and turbocharged applications. Constructed from 5-ply reinforced high-temperature silicone, it’s strength-tested to...

🔥 3.50" to 5.00" Silicone Reducer Boot – 4.00" Long, 5-Ply Reinforced for High-Boost Diesel Applications This 3.50" ID to 5.00" ID high-temperature silicone reducer boot is built to handle the intense heat and pressure of high-boost diesel systems. With a 4.00" overall length...

🔥 2.75" to 3.50" High-Temp Silicone Reducer Boot – 5.00" Long, 5-Ply Reinforced for Diesel Boost Applications This premium 2.75" ID to 3.50" ID silicone reducer boot is built to withstand the extreme heat, pressure, and vibration found in high-performance diesel turbo systems. Measuring...

: 🔧 Boost Leak Tester Kit – Essential for Turbo Efficiency and Longevity Protect Your Turbo – Boost Leak Testing Made SimpleInstalling a new turbo or building a fresh setup? Boost leak testing is one of the best ways to ensure your turbo runs...

45mm Wastegate Flange / Riser – Clean, Easy Exhaust Manifold Installation Looking for a clean, professional way to install your wastegate? Our 45mm Wastegate Riser is designed to simplify fabrication while delivering the fit and clearance your turbo setup demands. Engineered specifically for the...