4" Exhaust DPF Delete | GM Duramax Diesel LML 15.5-16

From: $590 USD
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Vehicle Fitment
Selection: Aluminized Steel (Straight Pipe)
Aluminized Steel (Straight Pipe)
Aluminized Steel (w/Muffler)
Stainless Steel (Straight Pipe)
Stainless Steel (w/Muffler)

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Description

Exhaust system with DPF removal and CAT 4" Downpipe-Back.

Fits 2015.5 and 2016 Chevy / GMC Duramax Diesel LML. Silverado and Sierra pickups. Crew cab with short bed and crew cab with long bed. Not suitable for 3500/4500/5500 Cab & Chassis commercial type trucks.

2015 or 2015.5? - 2015 is a split year. The 2011-2015 downpipe attaches to the turbo pipe with a V-band type clamp. The 2015.5-2016 models use a 3-bolt flange connection. Be sure to visually check the type of clamp your truck is equipped with.

Exhaust pipe material - Available in aluminized steel or T-409 stainless steel. Aluminized steel is the most popular, but it will rust over time. T-409 stainless steel. Unlike stainless steel T-304, it is still magnetic. So if you are checking to see if you really have stainless steel, keep in mind that the magnet will still stick to it. We recommend using stainless steel if you run your truck regularly on salty winter roads. Use the drop down menu to make your desired selection.

Installation - Installation takes about 1 hour using basic hand tools on your driveway or garage lot. Faster if you have a car elevator. A trim may be required for installation on a shorter wheelbase. Clamps, hangers, and fasteners are included. You may have to reuse some of the factory fasteners.

Fuel mileage - Expect a significant increase in fuel mileage. If your DPF is clogged, you probably average about 13-14 miles per hour. More or less depending on the degree of clogging. After removing the DPF/CAT, expect a combined mileage of 18-19 mpg. Big tires and poor driving habits will result in lower mileage.

Tuner required - Removal of DPF, CAT, SCR and/or DOC includes removal and elimination of emission related sensors. A tuner with DPF removal capability is required to prevent engine warning lights or diagnostic trouble codes. If you don't already have a tuner with DPF removal capability, we recommend EZ Lynk.

Installation instructions
Flo Pro - 871NM and SS871NM (straight pipe)
Flo Pro - 871 & SS871 (with muffler)
MBRP / P1 Race Parts - C6045PLM & C6045SLM (straight pipe)
MBRP / P1 Race Parts - C6045P (with muffler)

*** If inventory quantity is not shown but you are still able to add to cart then the exhaust is built to order and could take 1-3 weeks to ship out. ***

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