Free Shipping On Orders Over $49. Details

Talk to a Mustang Expert
1-877-887-1105
Every day 8:30AM EST - 11:00PM EST
Win Any Wheel & Tire Package! Enter Daily

Stainless Works Performance Downpipe - Catted (15-19 EcoBoost w/ 3 in. SW Cat-Back)

Market Price $766.48 You Save 12% ($88.18)
Our Price

$678.30

FREE Shipping

  • Item 387450
  • MPN# M15EDPCATSW

Will this fit your Vehicle?

In Stock Ships same business day.
Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Features & Details

    • Stainless Works Catted Performance Down Pipe
    • Increases Rear Wheel Horsepower and Torque
    • High Flow Catalytic Converter
    • 304 Stainless Steel Construction
    • Free Flowing 3" Diameter Mandrel-Bent Tubing
    • More Aggressive Sound Compared to Stock
    • Designed and Manufactured in the USA
    • Is NOT CARB Certified
    • Fits 2015-2019 EcoBoost Mustangs w/ 3" Stainless Works Cat-Back Exhaust
    More Horsepower And Torque. Add even more horsepower and torque to the rear wheels of your turbocharged EcoBoost Mustang by installing a Stainless Works 3" Performance Catted Down Pipe. A Stainless Works Catted Down Pipe features a high flow race catalytic converter to increase the overall performance of your S550 Mustang.

    More Aggressive Sound. Stainless Works Performance Down Pipe not only helps increase power and performance, but it also adds a much more aggressive exhaust note to your S550 EcoBoost Mustang, when compared to the stock down pipe.

    Stainless Steel Construction. Manufactured in the USA from full 3" diameter T304 stainless steel tubing for strength and superior corrosion resistance, this Stainless Works Catted Down Pipe is mandrel bent for superior airflow - so there are no kinks to rob you of power.

    Recommended Upgrade. To realize the full power potential that this Down Pipe has to offer, AmericanMuscle recommends a Bama custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.

    Application. This Stainless Works Full 3" Performance Catted Down Pipe is specifically designed to fit the 2015-2019 EcoBoost Mustangs and will require the use of a Stainless Works 3" Cat-Back Exhaust in order to be installed properly (see options above).

    Fitment: 2015 2016 2017 2018 2019 Details

    CA Residents: Warning: California's Proposition 65

    What's in the Box
    • (1) Catted Down Pipe
    Installation Info
    Tech Specs
    Down Pipe Specifications
    Piping Material: Stainless Steel Piping Size: Full 3"
    Catalytic Converter: "Yes" Type Cat-Back Required: 3" Stainless Works Cat-Back 
    - Fitment: 2015-2017 EcoBoost
    Will it fit my Mustang?

    You Might Also Like

    Customer Photos

    Q & A

    No questions about this product yet.

    Ask the First Question

    Customer Reviews (1) Write a Review

    Overall Rating 5

    out of 5 stars

    Installation Time:Afternoon

    • Loudness / Volume 5 5
    • Exhaust Note 5 5
    • Fit & Finish 5 5
    • Bang For Your Buck 5 5



    • 5/5

      Installation Time: Afternoon

      May 29, 2015

      great sound

      I purchased the stainless work downpipe with the stainless works exhaust. Had to be welded together. I have not dyno'd my car with the added exhaust. The sound is deep and not too loud where it becomes an annoyance. I got great performance out of it too at the track. My temps drop 4-5 degrees. Won't go wrong with this addition to an ecoboost

      mustangirl008

      Year: 2015 Submodel: Ecoboost florida

      Helpful (3)

    Related Mustang Categories