40whp and 30wtq gains with Dundon Motorsports Headers, no flash required! - Rennlist - Porsche Discussion Forums

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991 GT3 GT3RS and 911R
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40whp and 30wtq gains with Dundon Motorsports Headers, no flash required!

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Old 02-25-2016, 08:55 PM
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Default 40whp and 30wtq gains with Dundon Motorsports Headers, no flash required!

Seems our original Thread was deleted by the admins... So here's a resurrection


We made a set of connector pipes for our headers to mate with the stock GT3 muffler. This keeps the car drone free and nice to drive with the flaps closed, open them up and let it burble! The connectors are 321SS same as the headers and include a high quality vacuum flap just like the stock system.

Retail is $7450, we will give Rennlisters a $500.00 discount making the total $6950!


Power increases of 40whp and 30wtq (at 4550, 7000 and 8100 rpm!) over stock. Others have seen more than this!







Dundon Motorsports 991 GT3 Headers and Side muffler delete pipes





Dundon Motorsports 991 GT3 Headers and Side muffler delete pipes





Dundon Motorsports 991 GT3 Headers and Side muffler delete pipes






Stock vs Dundon Motorsports 991 GT3 Headers and stock muffler connector pipes. 40+whp and





Simple runs showing gains of 40whp for Dundon Motorsports 991 GT3 Headers and stock muffler connector pipes with flaps





Torque Curve showing 30wtq gains over stock

In car cruising flaps closed

Flaps open to redline

Last edited by [email protected]; 05-22-2016 at 03:43 PM.
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Old 02-25-2016, 11:22 PM
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I was wondering where it went!??!?!?!?!?
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Old 02-27-2016, 03:49 AM
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Why would admin delete your original thread? It was very informative and I enjoyed the updates!!
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Old 02-27-2016, 03:56 AM
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^Well, at some point you need to pay to advertise on Rennlist. Now as a sponsor the thread is 'legal'
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Old 02-27-2016, 10:38 AM
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Isn't Jamie a site sponsor anyway with AK Autowerx?
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Old 02-27-2016, 03:07 PM
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Yes but I mistakenly posted it while logged into jamie_gt3 my personal account and admin wouldn't change just the one thread, said all my threads would have to be merged...

So if you as rennlisters want it back, best to discuss with the admins...

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Old 02-27-2016, 10:16 PM
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Makes no sense to me. Admins please bring back the old thread. Was extremely informative... Sad to see it was deleted.
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Old 02-28-2016, 01:16 AM
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Not a good way to treat a sponsor and active contributor.
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Old 02-28-2016, 02:19 AM
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Originally Posted by Ur20v
Not a good way to treat a sponsor and active contributor.
Agreed. The post was very informative and the information learning open to all. Many of the sponsors on RL bang us with the obvious advert in disguise all the time.

Bring back the lost pages of information please
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Old 02-28-2016, 05:23 AM
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Please please moderators reinstate. The original post chronicled the development of this exhaust master piece from day zero, warts and all, very educational and informative and gave a lot of confidence to those looking to invest in this product such as myself. We would all love to see it be reinstated...
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Old 02-28-2016, 06:17 AM
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DITTO!
Please restore ...extremely informative and I applaud the transparency in chronicling the development of the headers...

I am waiting for the catted version...
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Old 02-28-2016, 06:44 AM
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Originally Posted by batmanm3 View Post
DITTO! Please restore ...extremely informative and I applaud the transparency in chronicling the development of the headers... I am waiting for the catted version...
+1
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Old 02-28-2016, 08:15 AM
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The thread was my daily food for thoughts! Please Admins remove the provocative threads from. It and just restore!
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Old 02-28-2016, 09:50 AM
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Moderators-

Please reinstate the entire old thread.
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Old 02-28-2016, 10:24 AM
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Originally Posted by Drifting View Post
Moderators- Please reinstate the entire old thread.
+1
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