2017-2019 L5P Duramax Stage 1 High Flow Intake Bundle Kit

2017–2019 L5P trucks share the same weak spots: a restricted two-piece hot-side pipe with a resonator joint and a leak-prone plastic/rubber cold side. Wehrli’s Stage 1 bundle swaps both for heavy-duty 3" and 3.5" mandrel-bent aluminum pipes with CNC sealing surfaces, double O-rings, and T-bolt clamped silicone boots — more flow, fewer blown boots, no tune required on a stock truck.

What’s included: hot + cold intercooler pipes, boots, clamps, O-rings, and hardware, finished in WCFab powder. Bundle pricing beats buying the pipes one at a time. Factory sensors and connection points are retained.

Fitment / compliance:

• Fits 2017–2019 Chevy/GMC 2500/3500 HD L5P Duramax
• SEMA-certified emissions-compliant (Cert No. SC-WCF01-0176)
• Want the intake/air box too? Ask about Stage 2 / Stage 3 bundles for this year range
• Cannot ship to California (manufacturer restriction)

Stock powder colors often ship in a few business days; custom colors have a longer lead. We can install in Idaho Falls when the bay’s open.

Call 208-542-7793 with year/make/model if you’re choosing between Stage 1 and a larger bundle.

Emissions-compliant performance only — Powertech Diesel does not sell deletes or defeat devices.