2017-2019 Duramax 5" Downpipe Back Exhaust - No Muffler (531010 / 532010)
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Price with add-ons:
Description
Description
Fits
| Year | Make | Engine |
| 2017-2019 |
GM | L5P 6.6L Duramax & 4-Bolt Flange |
Mel's Manufacturing Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified.
Features
Features
- 5" Downpipe Back Exhaust System
- No Muffler - Straight Pipe
- Increased Torque & Fuel Mileage
- Aluminized or Stainless Steel
- Easy Installation
Notes
Notes
- These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe!
Questions and Answers
Questions and Answers
Previously asked questions
We've compiled a list of questions and answers below.
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This doesn’t include down pipe from turbo does it?
Unfortunately, no.
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What’s required for tuning after the exhaust system is installed since DPF and DEF won’t be used?
You need HP Tuners with CCS Tuning and an unlocked ECM for tuning after installing this exhaust system.
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Will this system work on a 2021 GMC crew cab 4wd?
No.
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Will this kit work for my 2020 crew cab?
Yes
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Is this for crew cab or extended cab?
This will work with all bed and cab configurations!
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will this connect to the 3.5 inch mbrp downpipe? The downpipe mentioned has a four bolt flange.
Yes
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Do you need a tune ? And what tune if so
You will need a custom delete tune for your L5P so the ECM doesn't search for the missing DPF and throw codes/throw limp mode.
