4.84.8 out of 5 stars
88 product ratings
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Would recommend100% agree

Good value100% agree

Good quality100% agree

71 Reviews

by Top favorable review

Flowmaster fx

Didn't know what to expect when I ordered this muffler, put it on my 2005 f150 & I just loved that deep tone it gives my 5.4 3v ,love the idle not too quite & not too loud, really talks when I hit it , loves this muffler, can't beat the price ! my buddy heard it & immediately got me to order him one for his Chevy Avalanche vortex, if you looking for muffler that you don't have too turn ya radio up are you don't have too talk loud & still get a nice deep tone ,this is the muffler for you !Read full review...

Verified purchase:  Yes | Condition: new | Sold by: trendsauto

by Top critical review

Nothing special.

The add led me to believe that it would be a little quieter than the series 40 that I took off because it has the glass baffles. NOT! It sound exactly like the 40. Same drone in cab. But for the same souñd, I got it for about half the price of the 40.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: trjmotors

by

Flowmaster FlowFX installed on 04 GMC Yukon 5.3v8

Ok so let's review. Made from stainless, fully welded, built well. Perfect, no, the best maybe not but for less than $40 heck yes it's 5 star! Put in my 04 GMC Yukon 5.3 v8 and its sound AMAZING. Low rumble not to loud runs great. Absolutely love it. Good job flowmaster!Read full review...

Verified purchase:  Yes | Condition: new | Sold by: ourdealsrock

by

My flow Master toy!!!!

Gonna sound pretty thxs for demo on u-tube. I need more parts to add torch my own idea.

Verified purchase:  Yes | Condition: new | Sold by: maperformance

by

Great prouct for the price.

I have used Flowmaster for over 20 years, and the quality and sound for the money are top-notch. The FlowFX has an excellent deep mellow tone, and you can't beat the price.

Verified purchase:  Yes | Condition: new | Sold by: autopartsgeek2

by

FLOW FX

This muffler by flowmaster won't disappoint. Excellent quality and sound as described by flowmaster. I installed this on a small block Chevy 5.7 and got a great performance sound and feel. It won't wake the neighbors but will definitely turn heads.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: ourdealsrock

by

Great sound Good quality muffler

Easy install and has a great low bass sound gets a little loud when you get on the gas but quiets down when you get up to speed.

Verified purchase:  Yes | Condition: new | Sold by: trendsauto

by

My old one with a lot louder but this one sounds good still definitely worth the money I would recommend it!!

Not as loud as my old one but sounds good definitely worth the money

Verified purchase:  Yes | Condition: new | Sold by: ourdealsrock

by

great value

I had used a series 40 ss flowmaster before. This muffler, for the price, is just as good, and just a tad quieter.

Verified purchase:  Yes | Condition: new | Sold by: trjmotors

by

Flowmaster Flow X on 2001 F150

I bought this muffler for my F150 5.4 lr on a hunch not being familiar with it. It has a nice deep rubble sound to it without alot of interior noise. I would highly recommend it.

Verified purchase:  Yes | Condition: new | Sold by: ourdealsrock

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