Chevrolet Duramax Intercooler Pipes - Passenger Side - Wehrli - 3.5in High Flow - Grey - 2020–2025. Purpose-built for the 6.6L L5P, this one-piece aluminum cold-side pipe replaces the factory plastic two-piece for stronger, higher-flow charge air delivery.

Wehrli’s 14-gauge 3.5 in. tube features a CNC-machined flange with dual O-rings for a secure seal, plus an upgraded silicone boot and black anodized billet adapter. The OEM clip ring is replaced with stainless T-bolt clamps to better handle boost and help prevent leaks. A threaded bung retains the OEM IAT sensor. It’s a direct, bolt-on install on stock trucks with no tuning or extra parts required, finished in durable WCFab Grey.

Features

• Direct fit for 2020–2025 Chevy/GMC 6.6L L5P (passenger/cold side)
• One-piece 14 ga 3.5 in aluminum pipe
• CNC flange with double O-rings; new outlet retaining clip
• Silicone boot with black anodized billet adapter
• Stainless T-bolt clamps and O-rings included
• Threaded bung for OEM intake temp sensor
• Bolt-on; works with stock trucks; no tuning required

Have questions or want to schedule installation and customization? Call our teams in Austin, Texas or the Los Angeles, California area at 512-982-9393 (TX) or 562-981-6800 (CA).

Thinking about multiple items? Contact us for potential shipping discounts.

We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov