flowmaster 44s or 40s - Ford Mustang Forum
 
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post #1 of 14 (permalink) Old 03-20-2011 Thread Starter
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flowmaster 44s or 40s

debating between the two...been youtubin...plenty of vids, every v6 sounds dif, what would give me a deeper sound between the two, and would straight or xpipe work better?

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post #2 of 14 (permalink) Old 03-20-2011
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H-pipe is best sounding midpipe, and if you plan on messing with the headers get long tubes (if emissions allows) as for mufflers I'm not really sure if they are that different but I got 40's coming to me right now


BV heads, P&P lower, windstar upper, comp 218/226, 4.2 bottom end, 3k stall, flow 40's, O/R x-pipe, Pacesetter lt's, Xcal2, 65mm tb, CAI, 8.8 w/ 3.73's, MM LCA's
coming soon: blower cam and intercooled M112
dealer for Ortiz Performance; tunes, cams, etc. PM me!
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post #3 of 14 (permalink) Old 03-20-2011
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44s are smaller than 40s, and to me the 44s have a less hallow sound to them..
i talked to some guy at a muffler shop the other day that said 44s were "big block" mufflers, and shouldnt be used on a v6.
but, ricers put fart cannons on civics dont they?
nonetheless, i dont believe him, and will have a set of 44s by the end of the summer.

2004 40th Anniversary GT - Sonic Blue, Daily Driver, Steeda Short-throw, SR Performance CAI, Magnaflow Magnapack mufflers
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post #4 of 14 (permalink) Old 03-20-2011
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44's use a smaller case than the 40's and thinner walls. They are louder but not as deep.

Big block cars usually use a higher numbered Flow like a 50-80 series Flow which have more than two chambers.
post #5 of 14 (permalink) Old 03-20-2011
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I have a off road x-pipe with super 44's with dumps just before the back axle and they sound pretty deep and get very loud when I get into the gas. My wife has glass packs on her '03 sixer and they sound pretty good. It all depends on the set up.

" If you can't find 'em, grind 'em! They ain't made of rubber! "
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post #6 of 14 (permalink) Old 03-20-2011
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I'd go with the straight pipe.

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post #7 of 14 (permalink) Old 03-21-2011
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ok this is my set-up from the heads its: stock headers, stock cats (all 4), then the Y pipe was cut just after the O2 senser and run straight back to two flowmaster 40's, then over the axle to 3'' tips. sounds almost like a V8 at idle and has a pretty mellow sound in 5th gear and girls turn their heads when i cruiz downtown with the top down if thats what u want
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post #8 of 14 (permalink) Old 03-22-2011
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IMO- Flowmaster 10's are loudest, then orig. 40's and then the 44's.
All great mufflers.

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post #9 of 14 (permalink) Old 03-22-2011
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Quote:
Originally Posted by robb15033 View Post
IMO- Flowmaster 10's are loudest, then orig. 40's and then the 44's.
All great mufflers.
Aren't 10's one chamber mufflers? I bet they are the loudest lol

BV heads, P&P lower, windstar upper, comp 218/226, 4.2 bottom end, 3k stall, flow 40's, O/R x-pipe, Pacesetter lt's, Xcal2, 65mm tb, CAI, 8.8 w/ 3.73's, MM LCA's
coming soon: blower cam and intercooled M112
dealer for Ortiz Performance; tunes, cams, etc. PM me!
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Quote:
Originally Posted by davidcseifert View Post
Aren't 10's one chamber mufflers? I bet they are the loudest lol
They are. Very similar to the Cherry Bomb Extremes that my '01 had.
post #11 of 14 (permalink) Old 03-22-2011 Thread Starter
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thanks for the input guys
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Quote:
Originally Posted by davidcseifert View Post
Aren't 10's one chamber mufflers? I bet they are the loudest lol
Yeah, I'm out on an island alone on that one.
With the engine work Ive done, gears, and dyno tunes; it works for me.





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had 40's on my car, they were awesome but i like my 44's alot better way nicer sound but i still kept my cats and o2's in just incase they decide to bring emissions testing back and its always gonna tune better with real o2 readings, as long as you stay away from an xpipe should sound pretty mean and not like a civic at high rpm but i would definately reccomend the 44's over the 40's i had an identical setup swapped the 40's for 44's and it was quite a diffrence 44's all the way.

01 Dark Green Metallic - 4.2L 5 speed, Comp Xtreme Energy 268HR112 Cam, Windstar Intake, True Dual Cat Back, Flowmaster Super 44's, 8.8' Lockin Diff 3.27's, Predator Flash Tuner, CAI - BBK, Hurst Pistol Grip Shifter
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95 dark green - R.I.P. - 3.8 5speed, Split Port conversion, Windstar intake, EGR Delete, CAI - BBK, Hurst Pistol Grip Shifter, Spoiler
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Quote:
Originally Posted by robb15033 View Post
Yeah, I'm out on an island alone on that one.
With the engine work Ive done, gears, and dyno tunes; it works for me.




Yeah with that supercharger u probably need the higher flowing 10's lol, of course you probably can't hear them over that beautiful whine of the blower

BV heads, P&P lower, windstar upper, comp 218/226, 4.2 bottom end, 3k stall, flow 40's, O/R x-pipe, Pacesetter lt's, Xcal2, 65mm tb, CAI, 8.8 w/ 3.73's, MM LCA's
coming soon: blower cam and intercooled M112
dealer for Ortiz Performance; tunes, cams, etc. PM me!
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