About this product
The WCFab 3.5" High Flow Passenger Side Intercooler Pipe for 2020-2026 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck replaces the restricted OEM rubber/plastic design with a high flow, 14 ga. aluminum one piece 3.5" pipe. Includes black anodized CNC machined billet aluminum adapter with double o-ring seal, upgraded silicone boot, and stainless t-bolt clamps on upper connection and CNC machined flange with double o-ring seal at intercooler connection for improved pressure and temperature resistance vs. factory design.
- Increased reliability and reduced possibility of blown boots and horsepower robbing boost leaks
- No tuning required, bolt on!
- Compatible with stock trucks
- Custom powder coated in the color of your choice
Replaces the following GM Part Numbers: 23420958, 84682179
Description supplied by Raptor Racing through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






