Flowmaster vs. Magnaflow, is there a true difference? (also air intake question)

Hey guys, i was just curious, is there a REAL difference in power between the flow master and the magna flow?

I know they sound different, i know the accusations about both mufflers… i am just curious if there has been a side by side test done where the two trucks are identical except the muffler (one being magna and one being flow).. if there is a difference in performance?

or if someone has dyno maps of identical trucks with different mufflers that show a difference in torque and HP? whether one is a loss of torque with a gain of HP, or the other way around.

Im genuinely curious, without a bias opinion, if one is TRULY better than the other for performance.

Also on a side note… how much louder/better performance does changing the air intake do? people have said that the aftermarket air intakes for Tacoma really up the sound and performance, is that true?

 

Save your money and leave it stock

 

The air filter?

I already have my exhaust and it was dirt cheap

 

Chambered mufflers= resrtiction. A straight thru muffler should free up a few hp in upper rpms.

 

Each utilizes two completely different designs. The Flowmaster model 60 Delta flow (made specifically for 4 and 6 cyl engines)looks like this inside...



All of those baffles are strategically placed to dissipate sound waves without impeding exhaust flow.

The MagnaFlow looks like this inside.



It's a more traditional perforated core muffler design.

That's an excellent question and I don't know the answer, but would would like to know.

I didn't know about Flowmasters when I was having muffler work done, and likely would have gotten one of them instead of the MagnaFlow just because they're so different.

I run an Injen warm air intake for better gas mileage, and it sounds like this...

https://www.youtube.com/watch?v=H6ofUy8_-6Q

When I step on the gas other drivers look around to see what in the hell is making that sound.

Greg

 

tell ya if I see any major MPG differences............ I dont feel much difference cept MAYBE more low end tq now that I went from a magnaflow to a chokemaster super44.

sounds badass tho, and with my other parts, I think I can live with a few less hp IF thats a fact.

I mean I still gotta be around supra numbers, just sounds better and I can haul stuff and play offroad as well as BLEND into traffic

its more than likely a moot point with the butt dyno, but Im not paying to get on the only close dyno we have cuz its a heartbreak dyno.

 

Hey Justus... can you describe the difference in sound between the Magnaflow and the Flowmaster? I'm really curious and might try one too.

Thanks,

Greg

 

Flowmaster is more throaty and deep sound

Where a magnaflows is a sportier "racing" sound

 

Thanks! I knew the difference and how they're created to alter the air flow (took fluid dynamics and I studied both) but I was curious if anyone really had a dyno difference but hey I love my chokemaster.

That injen sounds amazing! I'm sold!

 

No one WANTS to pay for a dyno test haha

 

Id be happy to if it wasnt a mustang dyno

 

Only for mustangs? Seriously? It's not adjustable, or for 4wheeel drive or 4x4's?

What a waste on their part

 

mustang is a brand of dyno.. mustang, dynojet, etc.

Also, with the importance of backpressure on our trucks, I would think a flowmaster might actually help add tq since its not a straight-through design.

 

Id say with 4 cats, we got plenty of back pressure. MHO

 

That's true.. Although I think the 4 banger only has 2

 

I removed 2 cats and have the Flowmaster and it definitely didn't change any low end torque so it was a wash, but midrange speeds it gets up and goes

 

That's what I was curious about... as right now I'm running a 22 inch straight through MagnaFlow, and might try out a Flowmaster 50 series.

Greg

 

the only cat I have is black and white and answers to the name Diego

 

Ur boosted, so u have chosen wisely, unless ur allergic to cats, in which case diego should hit the old dusty trail

 

I did the big 36" long dual inlet single outlet Magnaflow to get rid of that horrible looking factory wye. That gave each bank a nice 3' or so of its own 2 1/4" pipe, then tied the factory tail pipe back in. Thiers no down dought that it don't run better, both down low and exp up top. Millage did not improve like I thought it would though, I have many tanks run through it to be certain, my problem is the noise. When I first did it, I thought it would be ok Id get used to it.....nope. I tow a 22' car hauler with a drag car in it and a 18' fishing boat, while towing its loud and I hate it. I added 2 Long glasspacks in front of the Magnaflow this week and I cant believe it did not make it tons quiter ;about the same sound in the cab but now a shitter sound, lol, at least the Magnaflow had a deep decant tone but way to loud for me. Money pit and a waste of time and money, I wished I had left it stock and I had read on here from a couple good folks that recc. just that, and I did not listen. Opening the exh. up to hear in my opinion;;;;;;;; should only be done on a nice V8 that has great sound. It has NO choice but to sound like pure shit behind a 4 or 6 cylinder engine. Again that just MY opinion. I build race cars and engines and very bias to the sound of a well tuned V8