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Your cart is empty.Flowmaster's FlowFX series mufflers are for the enthusiast who is looking for an economically priced performance muffler that delivers a moderate sound level and tone, both inside and outside the vehicle. The large straight-through smooth core offers up a different sound than that typical "chambered" sound that Flowmaster has become famous for. These new FlowFX mufflers have a compact 4.00 inch diameter round body that will fit nicely on just about any application and feature a fully welded 409S stainless steel case for increased durability.
James
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nick
Reviewed in the United States on February 17, 2025
This sounds perfect. I didn't want to increase the exhaust noise when the cars got removed. This was perfect. Just a slight increase in noise but the wife hasn't noticed so it perfect.
Diago
Reviewed in the United States on February 15, 2025
I but these on v6 made it go deeper got rid of some of that v6 raspIts better than the outlaw especially for the price this is also louder
logan
Reviewed in the United States on January 26, 2025
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G Schutte
Reviewed in the United States on June 17, 2024
Really great muffler. I can hold my car off the two step and the packing doesn't explode out. good quality and good sound. 4 stars because I had my Jetta 3" straight piped before and I put this on and it made it louder somehow. probably situational. also welded a bunch of holes in it. so probably a me problem not a you problem. good product tho!
tjjeepin
Reviewed in the United States on December 27, 2024
Sounds good. Have these on two different vehicles.
Adam
Reviewed in the United States on December 23, 2024
Worked great for stock muffler replacement.
Peter b.
Reviewed in Canada on October 19, 2024
I love the sound of these on my 1973 f100 302.
Devan
Reviewed in Canada on August 7, 2023
Put on my 07 ram (has cats, no resonators) and it sounds very very good . Minimal drone at cruise or at highway speeds but just a touch loud for my liking . I have used many different brands of mufflers, but this one put on a Hemi almost gives it a slight lope/chop at idle or cold start that is pretty impressive . Would recommend if you don't mind it being on the louder side, but what do you expect for a straight through muffler. definitely not as loud as a glass pack.
IceShallSnow
Reviewed in Canada on August 5, 2023
Tldr: LOUD, very little muffling, eliminates rasp and that's about it. Well built, good stainless. Glorified resonator. Still recommend if that's what you're looking for.Tried a few muffler options on my Subaru.Needed a good replacement, as the original muffler on my 3in exhaust system rotted out. I wanted something slightly louder then the previous muffler.This muffler is very well built, good non magnetic stainless, and heavy! Completely eliminated all of the rasp, and had a deeper rumble when compared to just pipe. I wish it was a bit quieter, as cold starts are definitely on the loud side.If I get on it, the exhaust definitely drowns out the music, but there isn't much drone on the highway at all.I'm happy.My Subaru has uel headders, high flow cat, and 3 inch from the manifold back.
Mr Mojo
Reviewed in the United States on July 8, 2023
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Javier T.
Reviewed in Mexico on September 26, 2022
Suena bien. Más directo. No exagerado pero deja salir un poco más sonido que el original. Ideal para Hemi
Ryan Scott
Reviewed in Canada on January 8, 2021
This muffler was a little louder than expected but sounds fantastic...... think old muscle car. Super deep throaty sound but loud. Only issue is resonance. This bad boy resonates like crazy..... so I put a MBRP 3” rolled tip on it and played with the length. Think trombone.... the more I slid the tip out the quieter it got inside the cab. It really focused the sound outside of the vehicle.... like amazingly ! Love the sound ..... just buy a tip to help perfect the sound.Built quality is excellent and stainless to boot.
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