GMC Sierra 3500 HD Intercooler Pipe - Passenger Side - Wehrli - 3.5in High Flow - Semi-Gloss Black - `17-`19
GMC Sierra 3500 HD Intercooler Pipe - Passenger Side - Wehrli - 3.5in High Flow - Semi-Gloss Black - `17-`19

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The GMC Sierra 3500 HD Intercooler Pipe - Passenger Side by Wehrli is an essential upgrade for your 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD truck. This high-performance component replaces the factory two-piece plastic pipe with a one-piece, high flow 3.5" aluminum pipe, finished in a sleek semi-gloss black.
Designed for superior performance and reliability, this intercooler pipe utilizes a CNC machined flange with a double o-ring seal, accompanied by an upgraded silicone boot. These enhancements allow it to withstand higher boost pressures than standard factory parts, thus eliminating blown boots and horsepower-robbing boost leaks. Notably, this pipe requires no additional modifications, upgrades, or tuning, making it compatible with stock trucks without any hassle.
Features
- Replaces factory part number 84189332, featuring high-quality silicone boot and stainless steel T-bolt clamps.
- CNC Machined Flange with Double O-Rings for a superior seal that prevents boost leaks.
- Fits stock trucks; no modifications or tuning needed.
- Durable semi-gloss black powder coat finish for a lasting look.
If you're considering multiple items, call us directly for shipping discounts. Our friendly staff in Austin, Texas, and Los Angeles, California, are ready to assist you with any questions. We also offer installation and customization services at both locations to meet all your needs. Get in touch with us at 512-982-9393 (TX) or 562-981-6800 (CA). We install on premises at both locations for your convenience.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov



