Modified OEM Muffler 996TT
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Joined: Oct 2004
Posts: 96
From: Los Angeles
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Intersted in having your mod done...
TT Tommy, I am in LA and would love to hear/see your exhaust mod! Perhaps I can hook up with your guy to have it drilled too? Let me know!
Jay: bruinjay@gmail.com
Jay: bruinjay@gmail.com
Awaiting Email Confirmation
Joined: Oct 2004
Posts: 96
From: Los Angeles
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Can I come check out your mod? I'm local :)
Bro, sometime next week? Email me bruinjay@gmail.com!
Tks,
Jay
Tks,
Jay
I did the mod today. It took about an hour, but I moved slowly. It was a little more difficult then I expected. The surface is very curved back inside. I used a center-punch to get a dipple. I started with a 1/4" pilot hole, then 1/2", and then 1 1/8". I was unable to use the larger unibit I have, as it is to long and would hit the next wall beyond the hole. So for now, I have a 1 1/8" hole symetrically placed on both sides. There is a significant difference in sound. I also believe the engine spools up a little quicker. To me the sound is enchanced, but not overly loud. I most likely will continue to 2", but for now I am impressed with the change. No CEL and so far no indication other than success, but I only did a ten mile canyon run so far. Thanks to everyone who paved the way for my mod. If you are near Malibu, and want to hear it in person, shout me out with a PM. Heres a couple pic, the angle is misleading, the holes are centered on the pipe. Tomorrow I get my flash codes!!yes!!
If anyone is interested in a stock/OEM exhaust for this modification we have one 997TT muffler available with about 10k miles. 
P.M. for more information & pricing or email Joey@fabspeed.com.
P.M. for more information & pricing or email Joey@fabspeed.com.
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Joined: Jul 2004
Posts: 2,116
From: Los Angeles
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If anyone is interested in a stock/OEM exhaust for this modification we have one 997TT muffler available with about 10k miles. P.M. for more information & pricing or email Joey@fabspeed.com.
P.M. for more information & pricing or email Joey@fabspeed.com.
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Joined: Jan 2008
Posts: 42
From: Alberta Canada / Phoenix AZ
Rep Power: 28
Interesting idea. (also looking for "something" for my 02 996tt to better the sound. If you can send me a link, or even the video, that would be awesome.
agriosa@hotmail.com
thanks a bunch.
AJ.
agriosa@hotmail.com
thanks a bunch.
AJ.
The 997TT will not fit on a 996TT because the tips are in a different location.
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Joined: Nov 2008
Posts: 485
From: Charlotte, NC
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Just to clarify...
OK, I've read the entire thread...and am about ready to do this 
Just to clarify, though--you only punch through ONE layer of steel, correct? Drill through the pipe and as soon as you lose resistance, you're done, right? 
Just to clarify, though--you only punch through ONE layer of steel, correct? Drill through the pipe and as soon as you lose resistance, you're done, right?
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Joined: Jul 2005
Posts: 550
From: Palos Verdes, California
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correct.
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Joined: Apr 2009
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From: San Jose, CA
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Just read through this entire thread- Great job by the team putting this together. I will be buying the bits this week and drilling ASAP. Went out on my first run through the mts this weekend and was disappointed with the sound. Will post results soon-
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Joined: Jun 2007
Posts: 771
From: NC
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Hey guys...
Don't want to scare anyone off from doing this and I absolutely cannot prove anything BUT......I did this mod....then two months later changed my turbos out from stock 16's to the 24/18 deal and......one of my turbos had some blades chewed up.
Like I said, no way to prove anything as I couldn't find any debris.......I'm just sayin'.......
Don't want to scare anyone off from doing this and I absolutely cannot prove anything BUT......I did this mod....then two months later changed my turbos out from stock 16's to the 24/18 deal and......one of my turbos had some blades chewed up.
Like I said, no way to prove anything as I couldn't find any debris.......I'm just sayin'.......
Registered User
Joined: Jan 2009
Posts: 2,251
Rep Power: 166
Hey guys...
Don't want to scare anyone off from doing this and I absolutely cannot prove anything BUT......I did this mod....then two months later changed my turbos out from stock 16's to the 24/18 deal and......one of my turbos had some blades chewed up.
Like I said, no way to prove anything as I couldn't find any debris.......I'm just sayin'.......
Don't want to scare anyone off from doing this and I absolutely cannot prove anything BUT......I did this mod....then two months later changed my turbos out from stock 16's to the 24/18 deal and......one of my turbos had some blades chewed up.
Like I said, no way to prove anything as I couldn't find any debris.......I'm just sayin'.......
Yuck. I would highly doubt that doing this mod would suck any debris back into the system that far... I would be asking someone why the turbos were chewed up since it is most likely from something else...
My two cents...