Fits: 2011 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel

Wehrli Custom Fabrication's 3" High Flow Passenger Side Upper Crossover Intercooler Pipe provides a 20% increase in size over the OEM part. Allows for less restriction in airflow and an increase in efficiency and turbo spool up.

Features:

• 18% gain in air flow over stock
• 14ga. Aluminum construction
• Compatible with OEM Y-bridge
• Connects to factory throttle valve & grid heater
• Eliminates resonator for appearance & more agressive turbo/engine sounds
• No tuning required
  
• Will fit on stock truck no other modifications or upgrades necessary
• Made in the USA​

Includes:

• 3" High flow upper intercooler cross over pipe
  
• Throttle valve gasket
• O-ring seal
• Billet turbo resonator plate & hardware for OEM intake horn
  
• Custom color powder coat POWDERCOAT COLOR CHART

Notes: 

• 15+ Business Days Before Shipment, this is a custom order part, once the order has been processed it CANNOT be canceled, returned, or refunded
• If you enter a powdercoat color that is not listed on the chart, your order will be delayed as we will have to contact you to discuss the options. RAW Finish is NOT available!
• Pairs best with emissions-compliant tuning and drop-in turbochargers for optimum performance gains

Replaces Part #:

• GM 12642321

*THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.*