MRT Downpipe High-Flow Catted Stainless Steel 3" To 2-1/4" EcoBoost 2015-2020

67% of 100


  • High Flow Catted Design
  • 304 Stainless Steel
  • Increases Hp & Tq
  • Smooth Mandrel Bends
MSRP $599.99
You save 17%

MRT 3" to 2-1/4" Stainless Steel High-Flow Catted Downpipe for all 2015, 2016, 2017, 2018, 2019 and 2020 EcoBoost Mustangs.

Are you looking for the best combination of both exhaust sound and performance? If so, then look no further than this brand new 3” to 2-1/4” Stainless Steel High-Flow Catted Downpipe from MRT. Not only will it make your 2015-2020 Mustang EcoBoost sound more aggressive, but it will also add some much needed power to the rear wheels! This MRT high-flow catted downpipe is a direct replacement for your factory EcoBoost downpipe.

With Ford introducing the new EcoBoost Mustang to the world, there has been quite a bit of talk around performance modifications for this platform. MRT has jumped head first into engineering high quality performance parts. MRT's CNC mandrel bending technology ensures that their downpipes have smooth bends and precise fit. MRT manufactures all of their EcoBoost downpipes out of the highest grade 304 Stainless Steel right here in the USA at their headquarters.

Features and Benefits:
- Full 304 Stainless Steel Construction
- 3” to 2-1/4” OEM Connection
- High-Flow Catalytic Converter
- Significant HP and TQ Gains
- Much More Aggressive Sound Over Stock
- Reuses Factory Hardware for Installation
- Smooth Mandrel Bends for a Perfect Fit

Tech Tip: Although NOT required, a custom tune/calibration is highly recommended after installation, NOT included.

If you're looking for the latest styling and performance parts for your Ford Mustang, you have lots of major brands to choose from. However, few offer the same experience and proven results as Mustang Racing Technologies. CJ Pony Parts offers the latest styling and exhaust performance products from MRT, giving you lots of choices from one of the leading and most trusted retailers in the aftermarket.

Order the Mustang Racing Technologies 3" to 2-1/4” Stainless Steel High-Flow Catted Downpipe for your 2015, 2016, 2017, 2018, 2019 or 2020 EcoBoost Mustang from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Note: This item is not CARB (California Air Resource Board) exempt and is not legal for sale or use in the state of California.

Installation Difficulty


Novice skill is required for this installation.

Installation Videos

Video Transcript

We’re here with MRT's High-Flow Catted Downpipe fitting your 2015 EcoBoost Mustang.

The MRT's High-Flow Catted Downpipe is a great way to add horsepower and torque to your EcoBoost Mustang while staying emissions legal. It's made here in the USA of 304 stainless steel. It's all mandrel bent 3-inch diameter with a 2 1/4-inch outlet. It uses a high-flow catalytic converter. It is a direct replacement for your factory down-pipe, will work with your stock cat back, or any other cat back that's designed to work with a stock downpipe.

Here's a clip from one of our previous videos, showing you the basics of installing the MRT downpipe on your EcoBoost Mustang.

If you're looking for additional power and sound,MRT does offer an off-road version of the downpipe as well. With either, we do suggest the use of a tune when installing.

Vehicle Fitment

This product will fit the following Mustang years:

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