2015-23 Mustang EcoBoost MRT Extreme Non-catted Downpipe

2015- 2023 Mustang EcoBoost MRT Extreme Downpipe 98U903
MRT 304 Stainless Downpipe: 2015+ Mustang Ecoboost #98U903
MRT Part# 98U903 Loudness: 6 Drone: 2 Performance: 5

Application: 2015 thru 2023 Mustang Ecoboost Coupe
Tune: Maybe Required
Time to Install:60 Minutes
Retail Price: $633.58
Your Price: $527.99
Sale Price: $475.19

Availability: Usually Ships in 1 to 2 Business Days

Product Details Technical Specs Installation Instructions

When all you care about is the biggest possible sound from your sixth-gen Mustang, our Extreme Series non-catted downpipe is ready to unleash it. The MRT Mustang EcoBoost MRT EcoFlow Downpipe without cats has a loud, deep muscle car sound that takes an aggressive turn whenever you smash the throttle. Though it's not approved for use on public roads, it will produce the melody you want at the track while fitting your budget.

Like all MRT exhaust products, this replacement Mustang non-catted downpipes is handcrafted in corrosion-resistant three-inch T304 stainless steel. We also use mandrel bends and a straight-through muffler to increase exhaust flow. This system is engineered for the best sound to match your vehicle and also provides a small performance boost. We have more than 35 years of OE and automotive engineering experience that we use to deliver an unmatched tone from every system.

Affordable Mustang Exhaust Upgrades

The Mustang EcoFlow Downpipe without cats has just enough exhaust presence with elevated sound to Get Noticed, plenty of opportunity to Feel the Performance and is packaged in a design without excessive drone. If you're generally satisfied with the amount of horsepower from your EcoBoost engine but are desperate for an old-school roar, this downpipe is the easiest way to bring it out. A non-catted downpipe is also a good choice for those who want to customize their exhaust while sticking to a strict budget. Watch the video below to hear it howl!

Our aftermarket downpipe for the 2015-2023 Mustang EcoBoost can be installed in 60 minutes or less using standard automotive hand tools. Note a tune may be needed to produce the best performance. Call us at 734-455-5807 for advice from experts who share your passion for great Mustang sound.

NOTE: This product is designed for off-road race use only.

Application: 2015 thru 2023 Mustang EcoBoost Coupe

Hear the Difference

  • How does it sound? The MRT EcoFlow DownPipe: Non-Catted #98U903 has a balanced, deep muscle sound.
  • Is there drone or resonance? The drone is noticeable but tolerable.
  • What if I step on it? Wide-open throttle increases exhaust loudness and tone to an aggressive performance sound.

Are you located close to Plymouth, Michigan and need your MRT aftermarket exhaust installed? Call MRT at 734-455-5807 to make an appointment today!

98U903: 2015+ Mustang MRT EcoFlow Downpipe: Non-Catted Sound Clip
  • DIY installation for the backyard mechanic
  • T304 stainless steel for the best corrosion resistance
  • Engineered, designed and manufactured in the U.S.

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Your Price w/ Options: $772.19
Our Price w/ Options: $125.99
Sale Price: $504.89
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