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HSP

2011-2016 Chevrolet / LML/ Max Flow Bridge / Cold Side Tube / Turbo Inlet / DURAMAX

2011-2016 Chevrolet / LML/ Max Flow Bridge / Cold Side Tube / Turbo Inlet / DURAMAX

504-HSP

$1,150.00 USD

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While many of our products are stocked in our warehouse, inventory levels can change quickly. If you need to confirm availability before placing your order, please call or text 970-778-0792.

HSP Max Flow Bridge / Cold Side Tube / Turbo Inlet for 2011-2016 Chevrolet / GMC Duramax LML

Part Number: 504-HSP

The 504-HSP Bundle combines the HSP Max Flow Bridge, Cold Side Tube, and Turbo Inlet for 2011-2016 LML Duramax-equipped Chevrolet and GMC trucks. This all-in-one package increases airflow, efficiency, and throttle response — a must-have for serious LML owners.

Max Flow Bridge Benefits

Port-matched to the intake runners, the Max Flow Bridge improves airflow and efficiency. Its precision build ensures durability and optimized engine performance.

Cold Side Tube Advantages

Replaces restrictive, failure-prone factory cold-side pipes with a mandrel-bent aluminum tube, offering smoother airflow, improved boost handling, and enhanced reliability.

Intake Mouthpiece Features

Hand-fabricated VGT Intake Mouthpiece improves airflow transition, completes the system, and offers optional powder coat finishes for a polished engine bay.

Whats Included

  • 1x Bridge (HSP-IN-223)
  • 1x Coldside (HSP-IN-228)
  • 1x Fabricated Turbo Inlet (HSP-IN-216-2)
  • 1x 1/8'' NPT Brass Plug (RFB-811-RFAB)
  • 1x M6x1.0x16mm Flange Bolt (RFB-893-RFAB)
  • 1x Duramax Pre-Made Hose - Rubber (RFB-398-RFAB)
  • 1x 5/8" Worm Gear Clamp (RFB-403-RFAB)
  • 1x 1/2" Worm Gear Clamp (RFB-405-RFAB)
  • 60x 5/8" PCV Hose (RFB-407-RFAB)
  • 4x 3" T-Bolt Clamp (RFB-422-RFAB)
  • 2x 3"x4" Straight Boot (RFB-430-RFAB)
  • 1x 3/4" to 5/8" Heater Hose Connector (RFB-462-RFAB)
  • 1x 3/8" Coolant Plug - Aluminum (RFB-808-RFAB)
  • 1x Rear Cover Coolant Fitting (RFB-809-RFAB)
  • 1x Coolant Plug O-Ring (RFB-813-RFAB)
  • 2x M6x1.0x25mm Flange Bolt (RFB-896-RFAB)
  • 4x M6x1.0x20mm Flange Bolt (RFB-897-RFAB)

Fitment

LML: 2011-2016 (VIN Code 8)
Note: Engine code is dictated by the 8th character of the VIN. The 10th character identifies the model year.

Overview

  • Increased performance and turbo spool-up
  • Optional powder coat finishes for engine bay styling
  • Upgraded high-strength silicone boots
  • Sleek mandrel-bent aluminum tubes replacing factory plastic
  • 3.5" to 4" transition for optimal flow

Warranty

HSP NO BS LIMITED LIFETIME WARRANTY
All products are backed by HSP’s hassle-free No BS Lifetime Warranty, ensuring durability and customer satisfaction.

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