Guaranteed Free Delivery by 12/24! available on most items - Details

Talk to a Mustang Enthusiast
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $5,000 For Your Mustang! Enter Daily
Cyber Monday Prices Still Live Shop Now

Krona Performance B.A.M.F. Catted Downpipe (15-20 EcoBoost)

Item 393508
Call a Mustang Enthusiast at 1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Market Price $632.49 You Save 13% ($82.50)
Our Price


FREE Shipping

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
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

    • Krona Performance Catted 3" Down Pipe
    • Increases Rear Wheel Horse Power and Torque
    • More Aggressive Sound Compared to Stock
    • T-304 Stainless Steel Mandrel-Bent Tubing
    • High Flow Race Catalytic Converter
    • B.A.M.F. - Bolt-on And Modular Function
    • Direct Bolt-On Replacement Upgrade
    • 3" to 2.25" Step Down Adapter Included
    • NO Computer Tune Required, but is Recommended
    • Proudly Made in the USA - Lifetime Warranty
    • Is NOT CARB Certified
    • Fits 2015-2020 2.3L EcoBoost Mustangs with a 2.25" Cat-Back Exhaust
    Better Flow For More Power. Uncork the genie living your 2015-2020 EcoBoost Mustang by installing a Krona Performance Catted Down Pipe. This Krona Performance 3" Down Pipe is much larger than stock and features a high flow race catalytic converter to significantly improve exhaust flow. By improving exhaust flow you will be able to release all the horse power and torque that is bottled up in your turbocharged 2.3L engine for an increase in performance that you can feel across the power band.

    The Sound of Power. Not only will a Krona Performance Down Pipe improve the power and performance of your EcoBoost Mustang, but it will also improve your Pony's sound as well. A Krona Catted Down Pipe will give your turbocharged Mustang a much more aggressive sound when compared to the original factory down pipe.

    B.A.M.F. (Bolt-on And Modular Function). By being a modular design you can pick and choose which Krona Performance exhaust components to install based on your needs or budget. You can install a full turbo-back system in one shot or build one over time as money allows. It does not matter if you choose a Downpipe, a Cat-Back, or a full Turbo-Back, all of the correct adapters are available so that all these kits will work together with both factory and Krona exhaust systems.

    Stainless Steel Construction. Krona Performance proudly manufactures their exhaust systems right here in the USA. This Down Pipe is constructed from 0.065” thick mandrel bent T304 stainless steel tubing for superior strength and long lasting corrosion resistance. Krona's Downpipe features two standard O2 fittings for both upstream and downstream O2 sensors.

    Direct Bolt-On Installation. Krona Performance engineered their B.A.M.F. Catted Down Pipe to be a direct bolt-on upgrade replacement for your Mustang's factory exhaust. There is no cutting or extra modifications required. Installation of this Krona Performance Exhaust can be completed in about a three hours with just basic hand tools.

    Recommended Upgrade. Even though a re-tune is not required for operation, AmericanMuscle recommends a custom tune with a Handheld Tuner. By reprogramming the vehicles computer (ECU) you will get the best possible power and performance increases from this Krona Performance Down Pipe.

    Application. This Krona Performance B.A.M.F. Catted 3" Down Pipe is specifically designed to fit 2015-2020 EcoBoost Mustangs equipped with the turbocharged 2.3L in-line 4-cylinder engine and a 2.25" cat-back exhaust system.

    Fitment: 2015 2016 2017 2018 2019 2020 Details

    MPN# KP-021

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Catted Down Pipe
    Installation Info
    Tech Specs
    Down Pipe Specifications
    Piping Material:304 Stainless SteelPiping Size:3" (includes 2.25" step down adapter)
    Catalytic Converter:"Yes" Type Cat-Back Required:2.25" 
    -Fitment:2015-2017 EcoBoost
    Will it fit my Mustang?

      Customer Photos (1) Submit Your Photo

      View 1 Photo

        Questions & Answers (12)

        5 Top Rated Questions

        Will this fit with the MBRP Street Cat-Back Exhaust w/ Y-Pipe - Stainless Steel - Fastback Item 389211?

        • This Krona Performance B.A.M.F. downpipe will be able to work with the MBRP Street cat-back with the Y-pipe as the connection will be the same piping size at 3 inches.

        Helpful (1)

        How many cells are in the cat. converter?

        will this hook up to a Borla Atak cat back exhaust system? Does this delete the existing Cats?

        • As long as the catback this is connecting to is a 2.25 inch connection, this will indeed fit no problem. Your stock catalytic converter will be replaced with the install of this Downpipe as this comes with one pre-installed.

        Helpful (0)

        Will this down pipe work with a MRT Exhaust Resonator Delete Y-Pipe and a Flowmaster Axle-Back Exhaust Kit Outlaw.

        • We do not carry the MRT Exhaust Resonator Delete Y-Pipe, so we have been unable to test them together. However, because this comes with the adapter, I would believe that they would work together!

        Helpful (0)

        Is this DP compatible with stock catback?

        • This is compatible with the stock catback.

        Helpful (0)
        Post Your Question
        7 More Questions
        Does anyone know if this dowwpipe will pass Delaware inspection? 1 answer
        i am planning to tune my car next year, can i install this today without a tune? 1 answer
        Will the Krona Performance B.A.M.F. Downpipe - Catted (15-19 EcoBoost) work with a Flow master exhaust? On a 2017 Eco Boost? 1 answer
        I have the Magnaflow competition cat-back. Will this downpipe fit my exhaust? 1 answer
        Does this pass emissions? And will this fit with a borla axle back stinger exhaust? 1 answer
        Does the Krona Performance B.A.M.F. Downpipe-Catted compatible with the Borla ATAK cat back exhaust, Item 387468? 1 answer
        Does this fit roush quad tip exhaust system? 1 answer

          Customer Reviews (6) Write a Review

          Overall Rating 5

          out of 5 stars

          Installation Time:Afternoon

          • Loudness / Volume 5 5
          • Exhaust Note 4.833333 4.8
          • Fit & Finish 4.833333 4.8
          • Bang For Your Buck 4.666667 4.7

          • 5/5

            Installation Time: Afternoon

            August 19, 2019

            Excellent Addition

            Quality piece of hardware here. Installation was roughly 2 hours for me (as I've never done anything this involved before this and most of that time was spent triple checking things). Instructions made the process really straight forward. I got some rattling, but adjusted the positioning a few weeks later and it's good to go. BE PATIENT. When they say don't tighten the bolts down until you get it aligned, LISTEN. I basically had it touching the underside of the car, so on startup there was a violent knocking until it got up to temperature. I paired it with a Magnaflow Competition catback. The sound is much louder than the catback alone, but also lost the deeper tone. It's raspy at high rpm, but sounds really mean. I can also hear the turbo much much better. After my latest tune revision...oh man the power. Highly recommended.


            Year: 2018 Submodel: EcoBoost

            Helpful (1)

          • 5/5

            Installation Time: Afternoon

            May 31, 2019

            As advertised

            Perfect fit, easy installation and sounds great. You'll want to make sure you have a tuner, I went with the Cobb accessport. Once it is installed run tune 3 assuming you have the cold air and the intercooler.


            Year: 2018 Submodel: EcoBoost

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            November 22, 2018

            Worth it.

            Took me about 4 hours total. By my self for the most part my girlfriend helped me hold the pipe in place tho when it came to installing it. I have the magnaflow comp installed with this downpipe and i love it. Kept the same tone but definitely raised the volume and throttle response.


            Year: 2015 Submodel: EcoBoost

            Helpful (4)

          • 5/5

            Installation Time: Afternoon

            November 18, 2017

            Krona Downpipe for Brutus

            The Krona downpipe has excellent craftsmanship. But the real winner is the performance boost. This downpipe really woke my Ecoboost Mustang up all across the power band. The sound from this downpipe combined with my Gibson exhaust is awesome. The woman who owns the detail shop was going nuts when I pulled in the bay with Brutus the Mustang. She has a Focus RS and was just ecstatic over the sound from the Mustang exhaust and downpipe. I told her it was the Krona Catted downpipe that put the sound over the top.


            Year: 2016 Submodel: EcoBoost

            Helpful (8)

          • 5/5

            November 04, 2017

            Gettin' down with a Krona downpipe

            Ordered my Krona downpipe on Wednesday and installed it Friday afternoon. Great service and the downpipe is top quality.


            Year: 2016 Submodel: EcoBoost

            Helpful (10)

          • 5/5

            Installation Time: Afternoon

            October 27, 2016


            Defentely gave me what I needed for my car really fast shipping. Might be buying even more products soon


            Year: 2016 Submodel: Ecoboost

            Helpful (8)

          Related Mustang Categories