GM Duramax 6.6L Up-pipe High Flo (2001-2016)
Type: EGR | Fits: GM Duramax
Boost performance and reliability with this passenger side up-pipe for 2001–2016 Duramax 6.6L engines. Featuring a larger 2" diameter and durable stainless steel construction, this up-pipe replaces the OEM pipe that often develops leaks at the bellow over time. The result: smoother exhaust flow, improved turbo efficiency, and enhanced throttle response.
Vehicle Fitment
✅ 2001–2016 Chevrolet Silverado Duramax 6.6L
✅ 2001–2016 GMC Sierra Duramax 6.6L
❌ Requires EGR system removal on LB7 and LLY–LML engines
❌ 2015+ models may require shock mount modification
Specifications
| Feature | Details |
|---|---|
| Pipe Diameter | 2 inches (larger than OEM for improved flow) |
| Material | Stainless Steel |
| Design | Non-EGR up-pipe |
| Included Hardware | New MLS gaskets |
| Fitment Notes | Requires EGR removal (LB7–LML) / 2015+ may need shock mount modification |
What’s Included
- Passenger side up-pipe (non-EGR)
- New MLS gaskets
Key Features
- Higher flow rate compared to OEM for improved exhaust flow
- Enhanced throttle response and turbo efficiency
- Stainless steel construction for long-lasting durability
- Reduced turbulence airflow for increased power
- Direct replacement for OEM up-pipes prone to leaks
Benefits
- Improved performance and reliability
- Stronger exhaust flow for better turbo operation
- Longer lifespan with durable stainless steel build
- Reduced chance of future exhaust leaks
Important Notes:
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
