HSP Diesel Hot Side Intercooler Tube for 2001-2004 Chevrolet and GMC LB7 Duramax
This product is vehicle-specific. Select your year, make, model, engine and transmission to confirm compatibility before adding it to your cart.
Colours and prices as published by HSP Diesel · verified 9/8/2026
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HSP Hot Side Intercooler Tube for 2001-2004 Chevrolet / GMC 6.6L Duramax LB7
The HSP Hot Side Intercooler Tube, also known as the D-100-HSP, is built for 2001-2004 Chevrolet and GMC 6.6L Duramax LB7 trucks. Whether your truck is stock, modified, daily driven, or part of a full engine bay build, this hot side tube is a proven upgrade over the factory intercooler pipe.
Designed to improve airflow, reliability, sound, and appearance, the HSP Hot Side Intercooler Tube replaces the restrictive factory-style pipe with a 3-inch mandrel-bent tube and high-strength silicone boots.
Why Upgrade Your Factory Hot Side Intercooler Tube?
The factory hot side intercooler tube gets the job done, but it leaves plenty of room for improvement. The factory pipe design can create unnecessary turbulence, uses connection points that may become failure-prone under pressure, and does not offer the clean engine bay appearance many truck owners are looking for.
HSP Diesel designed this upgraded hot side intercooler pipe to provide better flow, a stronger connection, and a cleaner finished look under the hood.
What Makes the HSP Hot Side Intercooler Tube Different?
The HSP Hot Side Intercooler Tube is made from 3-inch mandrel-bent tubing. This design helps increase airflow while using smooth, sweeping bends to reduce turbulence inside the tube. With improved airflow of up to 40%, this upgrade helps support better performance and efficiency.
Another key improvement is the straight-style connection to the intercooler. This replaces the factory-style lower intercooler boot connection, helping remove a common failure point and adding reliability for both stock and modified trucks.
Along with the performance and reliability benefits, this hot side intercooler tube can also improve engine and turbo sound. Many customers notice a cleaner, more distinct turbo tone after installation.
HSP Diesel also offers this tube in multiple powder coat options, including custom colors, allowing you to match or contrast your engine bay setup.
Features
• Fits 2001-2004 Chevrolet and GMC 6.6L Duramax LB7 trucks
• 3-inch mandrel-bent hot side intercooler tube
• Improves airflow by up to 40%
• Smooth sweeping bends help reduce turbulence
• Straight connection to the intercooler helps remove a common failure point
• High-strength silicone boots included
• T-bolt clamps included
• Improved engine bay appearance
• Available in multiple powder coat options, including custom colors
• Improved turbo and engine sound
What’s Included?
• 1x 3-inch mandrel-bent hot side intercooler tube (HSP-IN-LB7-207)
• (1) 3-inch x 4-inch straight boot - 430-RFAB
• (1) 2.25-inch to 3-inch reducer boot - 441-RFAB
• (1) 2.25-inch T-bolt clamp - 420-RFAB
• (3) 3-inch T-bolt clamps - 422-RFAB
Vehicle Fitment
• 2001 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2002 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2003 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2004 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2001 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
• 2002 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
• 2003 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
• 2004 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
Fitment by VIN Code
• LB7: 2001-2004 trucks with VIN Code 1
How to Find Your VIN Code
The engine code is determined by the 8th character of the VIN number. The 10th character of the VIN indicates the model year of the truck.
HSP Hot Side Intercooler Tube for 2001-2004 Chevrolet / GMC 6.6L Duramax LB7
The HSP Hot Side Intercooler Tube, also known as the D-100-HSP, is built for 2001-2004 Chevrolet and GMC 6.6L Duramax LB7 trucks. Whether your truck is stock, modified, daily driven, or part of a full engine bay build, this hot side tube is a proven upgrade over the factory intercooler pipe.
Designed to improve airflow, reliability, sound, and appearance, the HSP Hot Side Intercooler Tube replaces the restrictive factory-style pipe with a 3-inch mandrel-bent tube and high-strength silicone boots.
Why Upgrade Your Factory Hot Side Intercooler Tube?
The factory hot side intercooler tube gets the job done, but it leaves plenty of room for improvement. The factory pipe design can create unnecessary turbulence, uses connection points that may become failure-prone under pressure, and does not offer the clean engine bay appearance many truck owners are looking for.
HSP Diesel designed this upgraded hot side intercooler pipe to provide better flow, a stronger connection, and a cleaner finished look under the hood.
What Makes the HSP Hot Side Intercooler Tube Different?
The HSP Hot Side Intercooler Tube is made from 3-inch mandrel-bent tubing. This design helps increase airflow while using smooth, sweeping bends to reduce turbulence inside the tube. With improved airflow of up to 40%, this upgrade helps support better performance and efficiency.
Another key improvement is the straight-style connection to the intercooler. This replaces the factory-style lower intercooler boot connection, helping remove a common failure point and adding reliability for both stock and modified trucks.
Along with the performance and reliability benefits, this hot side intercooler tube can also improve engine and turbo sound. Many customers notice a cleaner, more distinct turbo tone after installation.
HSP Diesel also offers this tube in multiple powder coat options, including custom colors, allowing you to match or contrast your engine bay setup.
Features
• Fits 2001-2004 Chevrolet and GMC 6.6L Duramax LB7 trucks
• 3-inch mandrel-bent hot side intercooler tube
• Improves airflow by up to 40%
• Smooth sweeping bends help reduce turbulence
• Straight connection to the intercooler helps remove a common failure point
• High-strength silicone boots included
• T-bolt clamps included
• Improved engine bay appearance
• Available in multiple powder coat options, including custom colors
• Improved turbo and engine sound
What’s Included?
• 1x 3-inch mandrel-bent hot side intercooler tube (HSP-IN-LB7-207)
• (1) 3-inch x 4-inch straight boot - 430-RFAB
• (1) 2.25-inch to 3-inch reducer boot - 441-RFAB
• (1) 2.25-inch T-bolt clamp - 420-RFAB
• (3) 3-inch T-bolt clamps - 422-RFAB
Vehicle Fitment
• 2001 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2002 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2003 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2004 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2001 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
• 2002 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
• 2003 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
• 2004 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
Fitment by VIN Code
• LB7: 2001-2004 trucks with VIN Code 1
How to Find Your VIN Code
The engine code is determined by the 8th character of the VIN number. The 10th character of the VIN indicates the model year of the truck.
HSP offers a limited lifetime warranty to the original purchaser on eligible HSP products. Underhood powder coating has separate two-year limited coverage. Non-HSP brands follow their own manufacturer warranties. Discontinued products and customer/installer damage are excluded. Claim authorization is required; customer pays inbound shipping for ordinary claims.
Return and warranty information is based on what HSP Diesel offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
HSP Diesel warranty policyView complete warrantyProduct conditions
Return and warranty information is based on what HSP Diesel offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
- Return eligibility
- HSP states returns must be postmarked within 30 days of purchase, new and unused with original tags and packaging, with an approved RMA. A 15% restocking fee and customer-paid return shipping apply. Special orders, non-HSP dropship products, apparel, used items and custom colors are excluded. Based on what HSP Diesel offers.
- Return window
- Not stated for this product; see supplier terms
- Restocking fee
- See supplier terms; no product-specific fee stated
- Return shipping
- Based on the supplier’s return policy; see terms
- Made to order
- No
- Backorder status
- Not backordered
- Cancellation
- Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
- Warranty provider
- HSP Diesel
- Warranty duration
- Product-specific duration not stated; see supplier terms
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Street legal
- Processing estimate
- 3–10 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- HSP Diesel
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.