2017–2026 6.6L Duramax L5P 3.5-inch Catless Downpipe
$225.00
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2017–2026 6.6L Duramax L5P 3.5-inch Catless Downpipe
$225.00
3.5-inch T-304 stainless catless downpipe and installation hardware for compatible diesel applications.
3.5-inch T-304 stainless catless downpipe and installation hardware for compatible diesel applications.
Fitment
2017-2026 Chevy-GMC Silverado-2500HD, Silverado-3500HD, Sierra-2500HD, Sierra-3500HD with the 6.6L Duramax L5P engine.
What's included
3.5-inch T-304 stainless catless downpipe and installation hardware.
Before ordering
Verify your truck's year, model, engine, cab/bed configuration, and emissions layout. Contact Apex Diesel & Off Road if you need help confirming fitment.
Free U.S. shipping.