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Description
6.6L Duramax LML Downpipe-Back Race Exhaust | 2011-2015 GMC/ ChevroletVehicle Compatibility Years: 2011 2015 Makes: Chevrolet Silverado, GMC Sierra Models: 2500, 3500HD Engine: 6. 6L Duramax LML (diesel) Body: Pickup only Note: This exhaust system is not compatible with Cab & Chassis trucks or newer 2015 models featuring a 3 bolt flange. Always double check the fitment details before purchasing. Performance and Application By removing both the catalytic converter and DPF filter, this system enhances exhaust flow
Vehicle Compatibility
- Years: 2011-2015
- Makes: Chevrolet Silverado, GMC Sierra
- Models: 2500, 3500HD
- Engine: 6.6L Duramax LML (diesel)
- Body: Pickup only
Performance and Application
By removing both the catalytic converter and DPF filter, this system enhances exhaust flow significantly. As a result, you will notice improved fuel efficiency and greater engine power. The larger 4" or 5" stainless steel piping ensures better airflow, reducing exhaust gas temperatures. Moreover, the straight-through design helps maximize flow, making it perfect for off-road and competition use.
Features
This race exhaust system offers several advantages, especially for Duramax owners looking to boost performance:
- Durable stainless steel piping to withstand harsh conditions
- Available in 4" or 5" diameters to match different performance requirements
- OE-style hangers provide an easy, secure installation
- Straight-through design maximizes exhaust flow, helping the engine perform efficiently
- No bungs, making this system ideal for off-road applications and competitions
Installation Considerations
This product is intended for off-road use only and requires race tuning to operate correctly and achieve optimal performance. The kit includes all required hardware and clamps for installation. Do-it-yourself installation is possible; however, professional installation and tuning are recommended to ensure proper fitment and correct operation. Depending on your vehicle’s configuration, minor modifications may be required.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy