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  • 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
ROUSH 2015-2019 Ford Mustang 3.7L/2.3L V6/I4 Exhaust Kit w/ Round Tips - eliteracefab.com
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Load image into Gallery viewer, 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
Load image into Gallery viewer, 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
Load image into Gallery viewer, 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
Load image into Gallery viewer, 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
Load image into Gallery viewer, 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
Load image into Gallery viewer, 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
Load image into Gallery viewer, ROUSH 2015-2019 Ford Mustang 3.7L/2.3L V6/I4 Exhaust Kit w/ Round Tips - eliteracefab.com

2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837

2 sold in last 8 hours
Roush
RSH421837
In stock
Axle Back
$699.99
Product highlights for the 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit: Fits the 2015-2024 Mustang with both the V6 3.7L & I4 2.3L Ecoboost engines ROUSH-designed high-flow mufflers...

ROUSH 2015-2017 Ford F-150 Low Temperature Radiator Fan Upgrade
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2015-2017 Roush Mustang 3.7L V6 Cold Air Kit - 421828
2015-2017 Roush Mustang 3.7L V6 Cold Air Kit - 421828
$379.99
2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit - 421837
Description

Product highlights for the 2015-2024 Roush Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit:

  • Fits the 2015-2024 Mustang with both the V6 3.7L & I4 2.3L Ecoboost engines
  • ROUSH-designed high-flow mufflers with single inlets/outlets
  • More aggressive tone over stock
  • Made from corrosion-resistant high grade 304 stainless steel
  • Full mandrel-bent piping for consistent flow
  • 4" Flash-chromed dual wall tips embossed with the ROUSH logo
  • Uses OEM hangars and mounting points
  • Requires no welding
  • Some cutting required
  • Can be used with factory Ford rear valance
  • Same exhaust featured in the ROUSH Level 2 Performance Pack!
  • Includes all necessary hardware
  • ROUSH Limited Lifetime Warranty included

ROUSH’s Axle-Back Exhaust for the 2015-2024 I4 2.3L Ecoboost and V6 3.7L Mustangs is a great solution for anyone looking for a much more aggressive tone, and an overall better look!

Ford’s engine choices for the 15-24 Mustangs offers a variety of high-performing, yet affordable and economic, options to suite any budget or sensibility. This would include the V6 and I4 engines, which perform well beyond what their cylinder count would imply. However, Ford’s stock exhaust doesn’t quite have the aggressive tone or sound Mustang owners crave; this is where ROUSH Performance comes in!

ROUSH Performance has a specially engineered this exhaust that fits both the V6 3.7L and the I4 2.3L 2015-2024 Mustangs. Constructed from T-304 stainless steel, this exhaust is corrosion and stain resistant. Mandrel bends help to maintain high flow and reduce backpressure constantly throughout. This exhaust uses factory mounting points and will fit both V6 and I4 Mustangs without requiring any modification or welding. This exhaust system also greatly improves the sound and performance of your Mustang with single-tip high-flow chambered mufflers. To finish off the exhaust, ROUSH also includes 2 brand new round dual-wall exhaust tips, which are chrome flashed for superior corrosion resistance and are embossed with the ROUSH logo. Included will also be all necessary hardware to install this system. Instructions can also be found under the “Installation” tab on this product page.

Are you a 2015-2020 I4 2.3L Mustang owner who’s looking to get the most power and most aggressive sound ROUSH can offer? Take a look at our Level 2 Performance Pac, which includes this exhaust system!

INSTALLATION

DIFFICULTY Intermediate
TIME 1 hour 30 minutes
TOOLS Garage Tools
INSTRUCTION URL Download Instruction Manual

 

APPLICATION Mustang 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
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Testimonials

Looks like I get to be the first review for these guys. Let me start out by saying that I have had 3 other cars of a similar caliber to my GTR serviced/worked on and upgrades installed at other shops and none took the pride and level of detail that these guys did. I wish I could see all the welds on the downpipes and exhaust because it looked like artwork. Their fabricator made sure to send me daily updates and pictures which was also a big deal to me. For being an out of state experience it made it seem more like they were local to me and that I had known them for longer.

James Lowe

Took the leap of faith on buying a set of their R35 intakes and downpipes because the price was half of anyone elses plus their car hauls a** at the track. Install went smooth and the power seems to be even better than advertised. Cant wait to get tuned in a few weeks. Their shelf tune honestly has to be 600+ hp as I pulled on a Hellcat last night. I see these guys and gals going a long ways if they can get out there and advertise. Customer service is on point paired with BIGGG savings for the winning combo.

Luca Harris

Bought a Motec and had these guys build the harness and set it up fully. Track car that received the level of attention and detail of a show car while here. Made me feel at home every time I popped in for a visit and always offered to buy me lunch/dinner. I don’t see me shopping anywhere else as they make you feel like your family.

Richard Westbrook

Took the leap of faith on buying a set of their R35 intakes and downpipes because the price was half of anyone elses plus their car hauls a** at the track. Install went smooth and the power seems to be even better than advertised. Cant wait to get tuned in a few weeks. Their shelf tune honestly has to be 600+ hp as I pulled on a Hellcat last night. I see these guys and gals going a long ways if they can get out there and advertise. Customer service is on point paired with BIGGG savings for the winning combo.

Luca Harris

FAQs

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We are open Monday-Friday from 8am-6pm EST

Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
1514 Holebrook
St Suites D-F
Greensboro, NC 27403

Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher! Orders under $159.99 will be subject to a nominal $5 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in your shopping cart.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
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-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.

We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.

As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.

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