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This 3" Stainless Steel Downpipe for your 2015.5-2016 GM 6.6L Duramax LML allows you to remove your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe. This turbo downpipe is made from 3" mandrel bent stainless steel tubing, offering smoother transition bends for low turbulence, and delivering quicker turbo spool times resulting in lower EGTs and increased performance.
Features:
- Greater Heat Retention
- 20% Greater Flow Over Stock
- Richer Diesel Sound
- Will Not Affect DPF or Urea System
- Gains of +21HP & +24 Ft-lbs.
Contents:
- (1) 3" Turbo Down Pipe
Note: This downpipe is for 2015.5+ models with the 2-bolt flange. It does not work with early model 2011-2015 models with the standard v-band connection.
Fitments:
- 2015.5-2016 CHEVROLET SILVERADO 2500 HD 6.6L LML DURAMAX DIESEL TURBO
- 2015.5-2016 CHEVROLET SILVERADO 3500 HD 6.6L LML DURAMAX DIESEL TURBO
- 2015.5-2016 GMC SIERRA 2500 HD 6.6L LML DURAMAX DIESEL TURBO
- 2015.5-2016 GMC SIERRA 3500 HD 6.6L LML DURAMAX DIESEL TURBO
General/New Returns
- All products must be in new/uninstalled/UNOPENED condition with all the parts included
- All products must be sent back in NEW and original packaging
- Returns will not be accepted after 30-day from date received
- Customer is 100% responsible for return shipping costs (Ex: If you return an item and did not originally pay shipping costs, the original shipping cost incurred by us will be deducted from your refund)
- Credit will be issued after the product is inspected and found to be in new condition
- ALL returns are subject to a 5% restocking fee. Additional fees may be incurred on non-stocking items which is determined by the manufacturer
- Refusal of a shipment will result in an automatic restocking fee determined upon the cost of fees associated with the refusal
General/New Returns Will Not Be Accepted Under The Following Conditions:
- Product has been installed or attempt of install
- Product has been damaged
- Product is shipped without the original packaging, manuals and/or parts
- Product Packaging has been opened and or seal has been broke on the product
- Custom tuners such as, EFI Live, EZ LYNK, HP-Tuners, Smarty UDC, TS, and DP-tuner are not available for return
- AutoEngineuity scan tools after the software has been installed on a computer are non returnable
Product Warranties
- 101 Diesel honors all manufacturer warranties
- Any product that carries a manufacturer's warranty must be warrantied through its respective manufacturer
- Installed components which have failed, such as, turbo, injectors, injection pumps, etc., must be removed/shipped back to its manufacturer for inspection before replacement
- 101 Diesel is not responsible for shipping products to manufacturers for inspection or the return shipping to the end user
- Labor time is not paid by 101 Diesel
- Manufacturers will only pay labor if stated in the manufacturer’s warranty
- All products manufactured by 101 Diesel carry a one year manufacturer defect warranty
Orders placed on 101 Diesel take approximately 24-48 business hours (i.e., Monday-Friday, Pacific Standard Time) to process before they are ready for shipment. During promotions, holidays, and the months of November & December this processing time may be longer.
Once an order has shipped, you will receive an email notification of the shipment, as well as the estimated delivery date and tracking number. The carriers that Osmo uses (FedEx & USPS) take 24 business hours to update their tracking status.
Generally, the transit time for standard, ground shipping in the U.S. is 5-7 business days, except during the months of November, December, and early January, when shipping volumes are at their peak.
101 Diesel sends three emails regarding the order status, in this order: 1) order confirmation, 2) order shipment confirmation, and 3) order delivery confirmation. The order shipment confirmation includes the carrier and tracking details. These emails are sent to the address indicated on the order.
NO, we do ship to P.O. boxes and APO/FPO addresses due to package size restriction. Please provide a physical address we will have your order send out with FedEx or UPS.
Orders placed on 101 Diesel shipping via ground are handed off to USPS, UPS, FedEx, or a combination of those carriers.
We do not offer expedited shipping options at the moment.
Shipping points are:
U.S. - California, Kentucky, New Jersey, Texas
We accept returns of unused products within 30 days of shipping, except on custom-tuned products.
All core, general and warranty returns must be approved prior to the shipment of the returning product. Upon approval, you will be granted a Return Merchandise Authorization (RMA) number that will tie your return shipment to the return request. This will help us to process your return quickly.
To request a RMA, please fill out this form. You will receive ALL return instructions via email within 1 - 2 business days.
If an order placed on our website is delivered, and it's missing items, or the items contained in the box are incorrect or defective, it's important to reach out to us for assistance within 30 days of receipt through this form:
Contact Us
Shipping errors reported later than 30 days since delivery are reviewed on a case-by-case basis, which may or may not result in a replacement or compensation.