H&S Peformance 4" Intercooler Boost Tube - 501003

Are you ready to push your 6.7L Cummins air intake to its possible limits? Built to compliment the H&S Maxx Flow Intake Horn, the H&S Performance 4" Boost Tube replaces the cold side intercooler pipe, post intercooler. With 4" mandrel bent piping, bead rolled edges for a secure connection and a matching powder coated gloss black finish — the H&S 4" Boost Tube was made to compliment the Maxx Flow from inception. Oh, yeah, it also provides massive increases over stock. Massive as in up to 45% increase in flow, up to +20HP and up to an additional +61ft-lb torque ~ 1750 RPM.

Features

• 4" Mandrel Bent
• Powder Coated Gloss Black
• Increased Flow over Stock boost tube
• Designed to mate with an H&S Maxx Flow Intake Horn

Note: Designed to fit with an H&S Performance Maxx Flow intake horn. If you are using this boost tube with a stock, or any other intake horn, you will need additional adapters.