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Mishimoto Intercooler Pipe & Boot Kit for Chevrolet/GMC 6.6L Duramax, 2011+

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Improve the power and efficiency of your Duramax with the Mishimoto intercooler pipe and boot kit. The factory pipes for the 2011+ Duramax features numerous restrictive bends and chokes the engine with small piping. The increased size of the Mishimoto intercooler pipes provide a significant increase in airflow that results in more power and lower EGTs. The Mishimoto intercooler pipe and boot kit is a direct bolt-on upgrade and features mandrel-bent aluminum with a polished finish. Mishimoto intercooler piping kits feature our silicone boots with DuraCore™ technology. Mishimoto DuraCore™ technology is the synthetic material that comprises the innermost layer of all Mishimoto silicone diesel boots. Compared to normal silicone, DuraCore™ provides superior resistance to heat, pressure, fuel, and oil. This effectively increases the life of our boots by preventing leaks and blowouts.

  • Direct fit for the 2011+ Chevrolet/GMC 6.6L Duramax LML
  • Includes both hot-side and cold-side intercooler pipes and boots
  • 3.5" cold-side and 3.0" hot-side mandrel-bent aluminum polished pipes eliminate restrictive bends
  • Provides improvement in airflow, power, and EGTs
  • Requires no additional tuning
  • Includes Mishimoto Silicone Boots with DuraCore™ technology and Mishimoto Constant-Tension T-Bolt Clamps
  • Mishimoto Lifetime Warranty

Pipe Construction
Polished Aluminum

3.0" (Hot-Side), 3.5" (Cold-Side)

Silicone Boots with DuraCore™
Boot 1: 2.36" to 3.00"
Boot 2: 2.72" to 3.00"
Boot 3: 3.00" to 3.00"
Boot 4: 3.00" to 3.50"
Boot 5: 3.00" to 3.50"
Boot 6: 3.50" to 3.50"

Constant-Tension T-Bolt Clamps
(1) 2.5" Constant-Tension T-Bolt Clamp
(7) 3.25" Constant-Tension T-Bolt Clamps
(4) 4.0" Constant-Tension T-Bolt Clamps

11+ Chevrolet Silverado 2500 HD w/ 6.6L Duramax LML
11+ Chevrolet Silverado 3500 HD w/ 6.6L Duramax LML
11+ GMC Sierra 2500 HD w/ 6.6L Duramax LML
11+ GMC Sierra 3500 HD w/ 6.6L Duramax LML

Purchase Includes
(1) Aluminum Intercooler Pipe w/ AIT Sensor Bung
(3) Aluminum Intercooler Pipes
(6) Silicone Boots with DuraCore™ Technology
(12) Constant-Tension T-Bolt Clamps
(2) Aluminum Mishimoto "M" Logo Badges
Mishimoto Lifetime Warranty