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hack off the muffler?

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Old 03-13-2006, 03:18 AM
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hack off the muffler?

thought about hacking off the muffler and running it free-flow. my boss got it done on his 06 mercedes clk55 (stock 496hp) and it gave it about 25-30hp+. now i know our cars dont have 500hp stock but even if we gain 10... it all adds up
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Old 03-13-2006, 04:30 AM
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it wont be 10. the stock muffler flows very well as is. even with popular axel overs with almost completely free flow mufflers, the gains would low. perhaps 1-3hp in higher rpms with alot of noise.
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Old 03-13-2006, 07:59 AM
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you wouldn't see any decent gains...if anything, eliminating the resonators from the b-pipe would probably give you 5-6 hp.
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Old 03-13-2006, 08:51 AM
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You can't be serious...can you?
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Old 03-13-2006, 08:57 AM
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Worst idea ever.
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Old 03-13-2006, 08:57 AM
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u won't like it... well.. .actually the tone was nice... but wen u really do hit it u'll smell that rotten egg farty smell... my muffler broke off the flange where its welded on... and the noise was nice and all but the smell got the best of me.
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Old 03-13-2006, 09:06 AM
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Don't do it. I got a straight through rear section from Cattman and the affect is very minimal. I can feel the difference only at high speed at 5.5k+ rpm.
I didn't expect any performance gains when I was buying it, I bough it only because my stock rear section broke off.
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Old 03-13-2006, 09:27 AM
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even the resonators flow pretty well, the key is the removal of the two crimps in the b pipe.
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Old 03-13-2006, 09:35 AM
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Originally Posted by maximaownsyou
thought about hacking off the muffler and running it free-flow. my boss got it done on his 06 mercedes clk55 (stock 496hp) and it gave it about 25-30hp+. now i know our cars dont have 500hp stock but even if we gain 10... it all adds up
I dump my exhaust out of my headers, added 100 or so hp
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Old 03-13-2006, 11:08 AM
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Why dont you just get this
http://www.quicktimeperformance.com/QTEC/
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Old 03-13-2006, 07:14 PM
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People break 240 FWHP with the stock unit... I don't see it giving you gains that are worth the sound.


Originally Posted by sloppymax
it wont be 10. the stock muffler flows very well as is. even with popular axel overs with almost completely free flow mufflers, the gains would low. perhaps 1-3hp in higher rpms with alot of noise.
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Old 03-13-2006, 07:23 PM
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Originally Posted by maximaownsyou
thought about hacking off the muffler and running it free-flow. my boss got it done on his 06 mercedes clk55 (stock 496hp) and it gave it about 25-30hp+. now i know our cars dont have 500hp stock but even if we gain 10... it all adds up

the only reason it got 25-30 is because it's supercharged.
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