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Think ALL Flowmaster mufflers lose power? Think again...

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Old 12-14-2007, 11:32 PM
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Default Think ALL Flowmaster mufflers lose power? Think again...

I rented some dyno time for a few tests today, one was to see how much power my single chamber flowmasters were robbing me. So I did a baseline with them on, then yanked em off for the next pull. The results were shocking to say the least! With no mufflers on my true duals and x-pipe setup, it picked up only 2rwhp, and the torque remained the same! So much for worrying about losing power to sound good
Old 12-14-2007, 11:42 PM
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I don't think that hp statement was for tru duals as much as a muffler swap on a stock system...
Old 12-14-2007, 11:45 PM
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^ I agree, because its impossible for those 1 chambers you have to not flow well. You said it yourself you gained 2rwhp, not a big difference there. I guess the comparison would be if you compared i guess the flowmaster catback to the borla or magnaflow catback. But then again im assuming, i could be wrong.
-Joel
Old 12-14-2007, 11:52 PM
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Guys, I know that the 80 series is what sucks. Even so, I've read where people think that the single chambers still rob a decent amount of power vs a straight through style muffler. This test shows a loss of only 2rwhp and NO torque, which I think is pretty good.
Old 12-15-2007, 12:09 AM
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good to here i love my single chambers
Old 12-15-2007, 01:50 AM
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can you get those in stainless?
Old 12-15-2007, 05:13 AM
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What? Single chambers are bad ***! there is no way anyone cuold say they lose power with those.
Old 12-15-2007, 07:35 AM
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Originally Posted by orangeapeel
there is no way anyone cuold say they lose power with those.
exactly.
Old 12-15-2007, 08:38 AM
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i have only heard that all their catbacks suck. because they come with gigantic piece of crap mufflers instead of something like a 40 series.
Old 12-15-2007, 09:04 AM
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^We need a back to back dyno comparison with that setup and we'll see. I don't think it's gonna be near the loss that people make it out to be. I could be wrong though.
Old 12-15-2007, 10:33 AM
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Originally Posted by orangeapeel
What? Single chambers are bad ***! there is no way anyone cuold say they lose power with those.
That logic is flawed...this is the internet. People love regurgitating random "facts" that they can't prove.
Old 12-15-2007, 11:26 AM
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I wouldn't think they would lose big power either. But have read, and heard it said that they would lose some decent power. Just wanted to post the results for the inquiring mind
Old 12-15-2007, 12:09 PM
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LOL, like this response here I just stumbled across TODAY.

Originally Posted by dutinsss
single chamber flowmasters are very popular when it comes to TD's. i have them and love them. they have a great sound, they just dont give you quite as much hp when compared to other mufflers
Old 12-15-2007, 05:01 PM
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Originally Posted by orangeapeel
What? Single chambers are bad ***! there is no way anyone cuold say they lose power with those.
How long have you been on this forum, Jordan? Have you ever heard some of the statements people say?

People can say ANYTHING. Some people are, plain and simple, anti-Flowmaster and will say ANYTHING to degrade their name. They'll come on here spewing "I lost 20 rwhp due to the single chambers." They can say whatever they want

Single chambers FMTFW! I can't wait to go TD's and get 'em.
Old 12-15-2007, 05:21 PM
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Hey BriancWS6, can I get a picture of the single chambers under your car? I have the Texas Speed duals on mine, and I just want to check yours out. Im thinking of switching out the bullets for either some single or 2 chmabers, since the case sizes are both 4". The bullets I have are also a 4" case, but im just concerned that the square front edge of the flows wont take speed bumps as easily as the bullet shape of the bullets. I dont want the edge to get caught on something and rip them off haha.
Old 12-15-2007, 05:37 PM
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I thougth that corsa was one of the top 2 in most free flowing!!!!!!!!!!!!
Old 12-15-2007, 07:03 PM
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ya i think flows kick ***. i have had 40 and 50 series mufflers on all dual systems and i love them. sound real nice, and **** who cares about 2rwhp? The flowmaster 80 series muffler is a piece of **** period. i have had 2 of them and they sound like crap without cats, and flow like crap. That one muffler makes people think all there products are junk. Its a shame people have to be that way because if flowmaster really sucked that much ***, then y have they been around for so long?
Old 12-15-2007, 07:12 PM
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40s sound good on muscle cars. my brother had a friend who put one on a cavalier and it sounded like a coffee can with bbs in it.
Old 12-15-2007, 08:07 PM
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i would be curious to see SLP, Hooker, Magnaflow, and flowmaster all tested ;D see which catback really flows the best ;D
Old 12-15-2007, 08:41 PM
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Originally Posted by DarkJuggalo
i would be curious to see SLP, Hooker, Magnaflow, and flowmaster all tested ;D see which catback really flows the best ;D
Was there ever mention of testing catback exhausts in this thread? The original post was about mufflers being used on custom true dual systems...not your run-of-the-mill exhaust system.


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