2004–2025 Chevy GMC Duramax Stainless Steel Downpipe | Heat Wrapped | Dyno Diesels

2004–2025 Chevy / GMC Duramax “Apex Predator” Stainless Steel Downpipe – Heat Wrapped

Unleash apex-predator exhaust flow on your Duramax. The Dyno Diesels Apex Predator Downpipe is built to survive extreme heat, brutal boost, and hard use—delivering smoother flow, faster spool, and a deep, aggressive exhaust note worthy of a prehistoric powerhouse. This is no weak factory restriction; it’s a full-send upgrade designed to let your turbo breathe.

Features

• Mandrel-bent stainless construction for maximum, uninterrupted flow
• Extra-thick steel built to handle high EGTs and heavy towing abuse
• High-heat thermal wrap to keep under-hood temperatures in check
• CNC-machined steel flanges for a tight, leak-free, bolt-on fit

Benefits

• Smoother exhaust flow directly off the turbo
• Reduced exhaust gas temperatures (EGTs)
• Faster turbo spool-up and sharper throttle response
• Increased overall performance and efficiency
• Deep, throatier exhaust tone that sounds as mean as it pulls.