Products

HSP Turbo Inlet Max Flow Mouthpiece for 2004.5-2010 Chevrolet / GMC Duramax LLY / LBZ / LMM (for 4" Aftermarket Intakes) The factory turbo inlet mouthpiece not only lacks style it also restricts airflow and limits your engine's power potential. The HSP Max Flow Mouthpiece...

2011-2014 Chevrolet / GMC Upper Coolant Tube Part Number: 537-1-HSP The HSP Upper Coolant Tube is a premium upgrade for 2011-2014 LML Duramax-equipped Chevrolet and GMC trucks. This often-overlooked component improves durability and brings a cleaner, more custom look to your engine bay. Why...

2015-2016 Chevrolet / GMC Upper Coolant Tube Part Number: 537-2-HSP The HSP Upper Coolant Tube is a premium upgrade for the 2015-2016 LML Duramax-equipped Chevrolet and GMC trucks. This often-overlooked component is both functional and aesthetic a simple replacement that adds durability and style...

HSP Diesel L5P 2017-2019 Upper Coolant Tube Part Number: 637-1-HSP The 637-1-HSP is best known as the HSP Upper Coolant Tube for the 2017-2019 L5P Duramax-equipped Chevrolet and GMC trucks. This is an often-overlooked component that can truly elevate the look of your engine...

HSP VGT Intake Mouthpiece for 2011-2016 Chevrolet / GMC Duramax LML Our Warranty HSP NO BS LIMITED LIFETIME WARRANTY At HSP we believe in our products and we stand firmly behind every single one that leaves our facility. For years we have taken care...

HSP 2004.5-2005 Chevrolet / GMC Intercooler Charge Pipe Bundle Part Number: 282-HSP This bundle is designed for the LLY Duramax-equipped 2004.5-2005 Chevrolet and GMC trucks. The Intercooler Charge Pipe Bundle is one of the best starting points when modifying your LLY Duramax for both...

HSP 2004.5-2005 Chevrolet / GMC Max Air Flow Bundle Part Number: 283-HSP The HSP Max Air Flow Bundle is designed for 2004.5-2005 LLY Duramax-equipped Chevrolet and GMC trucks. This kit includes nearly everything HSP Diesel offers for these trucks, making it a powerful upgrade...

HSP 2006-2007 Chevrolet / GMC Max Air Flow Bundle Part Number: 383-HSP This bundle is best known as the Max Air Flow Bundle for the 2006-2007 LBZ Duramax-equipped Chevrolet and GMC trucks. Its a comprehensive kit designed to replace key factory components that limit...

HSP Max Flow Bridge and Cold Side Tube Over Alt for 2006-2007 Chevrolet / GMC Duramax LBZIncrease performance and flow with our upgraded 3 Inch Max Flow Bridge and Cold Side Kit. Our precision cast and CNC machined bridge section allows for maximum efficiency,...

The HSP LLY, LBZ, and LMM Duramax PCV reroute kit replaces the restrictive factory crankcase ventilation hoses to improve airflow and eliminate oil vapor entering the turbocharger. Designed specifically for 2004.5-2010 Duramax diesel engines, this kit helps reduce oil residue, protect turbo components, and...

HSP PCV Reroute Add-On Kit HSP's PCV Reroute Add-On Kit is a great complement to our VGT intake mouthpiece. This system helps eliminate damaging crankcase pressure by rerouting it through two 5/8" high-grade rubber hoses. Excessive crankcase pressure can harm seals and rob your...

High-Performance Drop-In Turbo Upgrade (1994-2002 5.9L & 4BT Compatible) Upgrade your 1994-2002 5.9L Cummins with this direct drop-in turbo replacement, designed for effortless installation and improved performance. Whether you're looking to refresh a worn-out stock turbo, gain a stealth power boost, or dominate stock-appearing competition classes, this turbo is the ultimate...

Performance Drop-In Turbo Upgrade (1994-2002 5.9L Cummins) Boost the power and efficiency of your 1994-2002 5.9L Cummins with this direct drop-in turbo replacement. Whether you're upgrading from a worn-out stock turbo, looking for a stealth power boost, or dominating stock-appearing competition classes, this turbo delivers exceptional performance with factory-like drivability....

🛠️ HX40 4.00" Turbo Outlet Flange – Mild Steel Weld Flange for 2nd Gen S300 Downpipes This HX40 4.00" Flange is designed for 2nd Gen Dodge Cummins trucks running S300 turbos with an HX40-style outlet. CNC-cut from mild steel, this weld-on flange provides a durable, high-flow connection...

🔩 HX40 (4.00") vband clamp for exhaust housing to downpipe flanges. Fits OEM HX40 flanges as well as any s300 or s400 turbos that are machined for an HX40 outlet flange. This also fits 4th gen Cummins VGT turbo exhaust flanges. — 🔧 Key...

HSP 2006-2010 Chevrolet / GMC Intercooler Charge Pipe Bundle Part Number: 082-HSP The HSP Intercooler Charge Pipe Bundle is designed for the 2006-2010 Duramax-equipped Chevrolet and GMC trucks. It delivers both aesthetic enhancements and performance improvements in one streamlined kit. What Is the HSP...

🛠️ LLY Duramax Driver-Side Intercooler Pipe – 3.00" Mandrel Bent Upgrade Eliminate the restrictive factory crimped intercooler pipe and upgrade to this 3.00" Mandrel Bent Driver-Side Intercooler Pipe for your LLY Duramax. Designed for maximum airflow and minimal pressure drop, this high-flow pipe improves turbo spool, throttle...

🛠️ S300 Borg Warner 20° Tapered Downpipe Flange – Mild Steel | Fits Deere-Style Marmon Outlet This S300 20° Tapered Downpipe Flange is designed specifically for Borg Warner S300 "box unit" turbos with the John Deere-style Marmon exhaust outlet. Precision-cut from durable mild steel, this flange features a...

🔥 Knuckle Sandwich 400/400 Race-Ready Compound Turbo Kit – 1450+ HP Capable Ready to throw a knockout punch? The Knuckle Sandwich 400/400 compound turbo kit is built for diesel racers and serious street enthusiasts pushing their builds to the limit. Featuring a massive S485/96/T6...

🛠️ Late 1999 7.3L Powerstroke 60/68 6-Blade Billet Turbocharger – Drop-In Performance Upgrade Unleash stronger performance and that iconic turbo whistle with this 60/68 6-Blade Billet Drop-In Turbocharger, engineered specifically for late 1999 7.3L Ford Powerstroke trucks. Whether you're upgrading a tired factory unit or seeking a...

🛠️ Late 1999 7.3L Powerstroke 66mm 6-Blade Billet Turbocharger – High-Flow Drop-In Replacement Give your 7.3 some serious breathing room with this 66mm 6-Blade Billet Drop-In Turbocharger, built specifically for late 1999 Ford 7.3L Powerstroke trucks. Featuring a larger 66mm billet compressor wheel, this turbo upgrade flows...

🛠️ Late 1999 7.3L Powerstroke 60/68 Drop-In Turbocharger – Cast Wheel Replacement Restore and upgrade your late ’99 7.3 Powerstroke with our 60/68 Cast Wheel Drop-In Turbocharger. Designed specifically for late 1999 Ford 7.3L Powerstroke diesel trucks, this turbo delivers a solid performance bump while maintaining factory...

🛠️ Boost Leak Tester Kit – Turbocharger System Pressure Tester for New Installs & Builds Protect your turbo investment and maximize performance with our Boost Leak Tester Kit, designed for high-pressure testing of your intake system. Whether you're installing a new turbocharger or assembling a fresh...

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...