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Muffler delete. worth it??

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Old 04-24-2016, 12:20 AM
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MilehighG37s
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Muffler delete. worth it??

Hey guys just wondering if anyone has ever deleted their muffler on g37 coupes. Does it add any horsepower? Do you think it was sound more aggressive? I don't have any mufflers on my other car but don't know how it would affect a g37. Any information would help. Thanks !
Old 04-24-2016, 12:31 AM
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Jeebus
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If anything I think you'll lose horsepower.
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Old 04-24-2016, 12:42 AM
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kennyz424
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Do a quick search on the forum there's so many threads regarding muffler deletes with videos and everything. Hope this helps man! I also pinpointed a few in regards to your question itself.

MyG37 - Search Results

https://www.myg37.com/forums/g37-sed...er-delete.html

https://www.myg37.com/forums/intake-...rs-delete.html

https://www.myg37.com/forums/g37-cou...-question.html

https://www.myg37.com/forums/intake-...est-pipes.html
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Old 04-24-2016, 11:03 AM
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MilehighG37s
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oh alright. Thanks for info. Yea I found a few on this forum already. I'll check out the links too.
Old 04-24-2016, 11:51 AM
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blnewt
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Originally Posted by MilehighG37s
oh alright. Thanks for info. Yea I found a few on this forum already. I'll check out the links too.
I'd consider a basic axle back setup, the TopSpeed sets w/ the beveled tips look nice and add a bit deeper tone, and for the coupes they are very affordable.
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Old 04-24-2016, 02:01 PM
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ianphampton
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When I first got my Convertible, I was concerned that the 'zorst was so quiet you couldn't hear what revs you had on her . . . . . so had to keep checking the tacho

I initially tried changing the back box - (Pic 1 here) still a bit too quiet so we then ended up removing the box and just continuing the pipes - see Pic2.

Noise level was much better, so you can actually hear the engine note. Added nothing at all to the horses, though.

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Looks a bit odd as the pipes we'd fabricated we re-used just without the box, but it had the desired effect on the noise level. To answer the question - Yes, it works, but don't do it for any horsepower gains.

FWIW I subsequently fitted AAM HFCs and AAM Y pipe. Noise level went up dramatically, so had to make another back box, but the OP question was about deleting the muffler so this next step is another story!
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Old 04-24-2016, 02:40 PM
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PNW_IPL
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Originally Posted by ianphampton
When I first got my Convertible, I was concerned that the 'zorst was so quiet you couldn't hear what revs you had on her . . . . . so had to keep checking the tacho

I initially tried changing the back box - (Pic 1 here) still a bit too quiet so we then ended up removing the box and just continuing the pipes - see Pic2.

Noise level was much better, so you can actually hear the engine note. Added nothing at all to the horses, though.





Looks a bit odd as the pipes we'd fabricated we re-used just without the box, but it had the desired effect on the noise level. To answer the question - Yes, it works, but don't do it for any horsepower gains.

FWIW I subsequently fitted AAM HFCs and AAM Y pipe. Noise level went up dramatically, so had to make another back box, but the OP question was about deleting the muffler so this next step is another story!
Damn i love to see custom work like this. Great job
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Old 04-24-2016, 03:48 PM
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MilehighG37s
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Your exhaust set up looks nice ! But yea thinking of getting my muffler taken out tomorrow. I really don't care if I don't get any horsepower, I just want it for the exhaust sound. : )
Old 04-24-2016, 11:45 PM
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JUMBO PALACE
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Hey OP if you're driving something nice like a G37 don't just rip the muffler off like it's a civic. If you're looking to save some $$ and give your exhaust a louder, more aggressive tone I'd suggest an axleback like Blnewt did. The Top speed is a great choice.

Just my .02. It's your car do what will make you the happiest.
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Old 04-24-2016, 11:50 PM
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PNW_IPL
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Muffler delete sounds alot better than most systems available.

https://youtu.be/cG4yyF9f_pY
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