Flowmaster FlowFX Single Exhaust System with Black Tip; Side Exit (15-20 3.5L EcoBoost F-150, Excluding Raptor & 19-20 F-150 Limited)

10 customer reviews
SKU: 71DE24D1
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$599.95

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Description

High-Grade Exhaust System. Convert your Ford F-150 into a growler with the Flowmaster FlowFX Single Exhaust System with Black Tip; Side Exit. This exhaust system emits a wide, throaty, and aggressive exhaust note for the off-road, featuring a “straight-through” FlowFX performance muffler, massive 3-inch mandrel-bent tubing, and a 4.50-inch black ceramic coated exhaust tip. Factory Hanger Locations. This unit bolts onto your factory hanger locations. It is proudly made in the U.S.A. Warranty….

10 reviews for Flowmaster FlowFX Single Exhaust System with Black Tip; Side Exit (15-20 3.5L EcoBoost F-150, Excluding Raptor & 19-20 F-150 Limited)

  1. BensEcoboost –

    Super easy to install once you have the stock exhaust out of there. Sounds good. Just a little louder than I expected. Maybe it will break in. But super smooth sound. My only issue was the hanger for the front pipe. Supplied was a 2.75” clamp for the hanger. Didn’t exactly fit over the 3” pipe. Had to modify a bit. Overall, it looks good, sounds good and was easy to install. 4.5 stars

  2. DougW1235 –

    Purchased this exhaust after trying some others on my v6 ecoboost. This exhaust is the best of both worlds. Sounds amazing on startup, going down the road has a nice deep but subtle growl. Minimal/no cabin drone, and awesome sounding when laying on the pedal. I found most other reviewers getting the wrong size clamp/hanger. Mine was incorrect as well adding an unecessary headache to install. Great exhaust, some install woes.

  3. JamesSRQ –

    Easy to install, and decent quality for the price. Good sound outside. The inside noise is a bit more than I was expecting which is the reason for the 4 stars. I would not consider this a quiet exhaust.

  4. JW2020F150 –

    Easy to put on. Great sound, no drone. Burnt the coating off the tail piece within a week. I wish it just came stainless. Looks terrible now.

  5. CZ –

    Exactly what I was looking for. Nice deep tone just a bit louder than the stock setup. Zero drone or excessive cabin noise.

  6. HossF150 –

    1 1/2 hr install from ground in garage. Cut at rear of stock exhaust and easy removal. Install easy but one modification on hanger clamp. Not a great fit on 3” pipe, wrong size? Made it work. Sounds great just what I wanted for 3.5L Ecoboost! Not to loud but an added rumble for a V6. Noticed added performance with the less restriction giving better response on average driving. Even better performance when you get into it. Recommend for price point, sound and added performance! Longevity we shall see but solid overall so confident it will last. Head issues with end tip. Not an issue with the matte black as easy fix if it fails. We shall see on that as well.

  7. JustinM –

    Easy to install. I had to straddle the old exhaust and place my feet on the muffler to unmount it from the brackets. Did it without jacking up a stock 2020 4×4 xlt. Was able to remove all at once as well. Only gripe and only reason this got 4 stars. One of the clamps that mounts the exhaust to a bracket midway. Was 2.75″ and was a pita. It didnt let the nut screw onto the bolt properly. So i removed the a spacer and flipped the bolt upside down. I was able to screw it down. Unknown how long itll last. The sound isnt overly loud and produces a nice growl. Pretty happy overall.

  8. SCT24 –

    Super easy to install, did it in my driveway with 2 jack stands and a helping hand in about 45 minutes. Very under the radar when cruising around in eco-mode but really shines when you open it up. Only complaint is the coating on the tip starts almost immediately

  9. RT72 –

    Easy install, everything fit to existing mounts. Had a couple of issues Holley should “fix”. Front hanger mount is very tight, bolt could be about 1/4″ longer. Wound up taking the spacer out since it isn’t a clamp for the exhaust pipe. Other issue is there needs to be a torque spec for the converter bracket. OEM is around 35 ft lbs but considering the new bracket is a lot more pliable, probably more like 20 ft lbs. Bent a little bit tightening it but works okay with no leak.

  10. Chrisj71 –

    Replaced a 4inch system that was very loud. Best choice has sound when open throttle yet still able to hear in cab.

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