2011-2015 GMC/Chevrolet 6.6l Duramax LML Upgraded 3" High Flow 3” Turbo Downpipe

3" High-Flow Turbo Downpipe for 2011–2015 GM 6.6L Duramax LML

Full 3" mandrel-bent replacement for the necked-down factory downpipe on the LML Duramax. It lowers back pressure and EGTs and helps the turbo spool faster. Bolts into the factory location and works with stock or aftermarket exhaust.

Fits

• 2011–2015 Chevrolet Silverado / GMC Sierra 2500HD / 3500HD 6.6L Duramax LML

In the Box

• 1 – 3" stainless steel downpipe
• 2 stainless steel hose clamps
• 1 roll of titanium heat wrap

Note: For off-road, race and competition use only.

Not sure it fits? Call us at 817-952-3333 with your year, make and engine.

Shipping Disclaimer:

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✔️ Expedited shipping options available, call to check freight options
✔️ Orders are processed within 1 business day (Monday–Friday).
✔️ Orders placed on weekends or holidays will be processed on the next business day.
✔️ Tracking information will be provided once the item ships.
✔️ Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.

California Proposition 65 Warning:

This product may expose you to chemicals including metallic nickel, chromium, and exhaust fumes, known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit: www.P65Warnings.ca.gov