Catalysts are another one, I can’t buy magnaflow/walker cats that reasonable anywhere local, I’ll wait if the customer is good with it for the savings.

Pros: reasonable price, customer savings

MAGNAFLOW › Catalytic converter

cookierookies 11 Dec 2025, 06:24

Rating 5.0

I recently bought an 86 and got it CA smogged after it sat for 10 years. Did a rebuilt kit for the stock carb, Walker Hitachi DFB306. Had to get a new CA compliant cat which I went with the Magnaflow 339104.

Pros: CA compliant

Vehicle: Suzuki Samurai

Part number: 339104

MAGNAFLOW › Catalytic converter

Andyelz 1 Dec 2025, 16:30

Rating 5.0

Power:

Just installed a rebuilt c60, mwr fly wheel, and exedy clutch. Mwr lightweight alternator pulley and alternator. Kyb suspension. T3 sway bar and control arms. Magnaflow cat. S2000 seats. Breast plate bracing And a bunch of oem replacement parts to pass smog. 2000 mr2 spyder

Vehicle: Toyota MR2

MAGNAFLOW › Muffler

rudbri93 6 Oct 2025, 19:31

Rating 5.0

Noise:
Drone:

I measured out the area under my car and then found the biggest muffler magnaflow made that i could fit. My cammed ls3 is super quiet.

Pros: super quiet

Vehicle: BMW

MAGNAFLOW › Muffler

chingatumadre5 30 Apr 2024, 17:42

Rating 4.0

Noise:
Drone:

I have a resonator delete and Magnaflow mufflers. The drone is there at highway speeds, but not intolerable IMO. The acceleration sounds great.

Pros: acceleration sounds great

Cons: drone at highway speeds

Vehicle: Toyota Avalon

MAGNAFLOW › Muffler

crfsuckss 29 Nov 2025, 03:36

Rating 3.5

Noise:
Drone:

I love my magna flow but it can be a little drony, super quiet idle and a good tone in the gas

Pros: super quiet idle, good tone

Cons: can be a little drony

MAGNAFLOW › Muffler

oopseyesharted 16 Mar 2025, 17:51

Rating 3.5

Drone:

Got the tires installed today and what a difference some fresh rubber and suspension makes. Now onward to a less droney muffler. Magnaflow sounds great but that drone is unbearable.

Pros: fresh rubber, suspension makes difference

Cons: unbearable drone

Vehicle: Volkswagen

MAGNAFLOW › Catalytic converter

TinaJetta 30 Jan 2018, 21:23

Rating 2.0

Power:

Tha catalytic converter is only 6 months old, but it's ine of those crappy "direct fit" MagnaFlow units.

Cons: crappy direct fit

Vehicle: Volkswagen Jetta

MAGNAFLOW › Catalytic converter

osin34 5 Aug 2017, 14:10

Rating 1.0

Rattle:

Last year, i had Argon Addicts make me a HFC pipe, which had the magnaflow 300cell ceramics. Only took 800 miles, yep, 800, for one of them to fail and fall apart. Had noticed the same noise.

Pros: Argon Addicts help

Cons: failed after 800 miles

Mileage: 1287 km

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Owner reviews of MAGNAFLOW products

The MAGNAFLOW brand is registered in Italy. Official website: https://www.magnaflow.com/ .

In March 2026, PartReview recorded 37 reviews across 3 parts by MAGNAFLOW. Average rating — 3.8 out of 5.

MAGNAFLOW is in the PartReview manufacturers ranking, currently at position 108. Over the last 30 days it dropped by 0 points.

Popular MAGNAFLOW parts

The most popular MAGNAFLOW products on PartReview:

Muffler MAGNAFLOW - 20 reviews. PR Score — 82, average rating — 4.
Catalytic converter MAGNAFLOW - 14 reviews. PR Score — 74, average rating — 3.7.
Resonator MAGNAFLOW - 3 reviews. PR Score — not available yet, average rating — 3.6.

Most owner reviews about MAGNAFLOW parts are collected on these pages.

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The most interesting comparisons of MAGNAFLOW with other manufacturers help you see which is better:

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