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]BBi Autosport Porsche 997 GT3 / GT3RS StreetCup Exhaust Now Available

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Old 10-10-2015 | 02:21 AM
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Torque loss???
Old 10-10-2015 | 02:26 AM
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Originally Posted by Modena 1
Torque loss???
Very minimal. Please see Spyerx's review and dyno charts above:
https://rennlist.com/forums/997-gt2-...l#post12621163
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Old 10-11-2015 | 06:27 PM
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Additional pictures during the manufacturing process.











Old 10-12-2015 | 01:36 AM
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still waiting for more info on those headers..............................
Old 10-15-2015 | 01:53 PM
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Originally Posted by a_Y
still waiting for more info on those headers..............................
It's just another Rennlist tease
Buy the Charles Dundon header in the other thread?
Old 10-15-2015 | 02:16 PM
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Can you run this straight into a CENTER DELETE like CMG, Sharkworks etc.. Or do you have to use the Stock center muffler? Heard horror stories on cracked center mufflers when running side delete..
Old 10-15-2015 | 03:03 PM
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you could but you would have to cap off the top pipe for your center delete, not sure if the caps given here would work since they are designed for the oem center. my questino here is if there is enough flow, you can see the piping gets smaller, lets call it 70mm down to about 65mm to the muffler entry. if the smaller diameter offset by the fact you have a side muffler delete?
Old 10-15-2015 | 03:44 PM
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/\/\/\/\/\/\/\ Good point..
Old 10-15-2015 | 08:46 PM
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The piping is smaller so that it can slip into the center muffler like the OE side mufflers do.
Old 10-16-2015 | 02:16 AM
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That's some quality pieces. I would love to have them, but my car came with the center bypasses already so I don't have the original OEM center. And I need to figure out how to get my car to you guys. Wish you were closer to west LA.
Old 10-16-2015 | 01:43 PM
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Ok... I want... I really would like some feedback on the TRUTH // RUMOR/ BS on the long term reliability of the STOCK CENTER ( have mine up in top of garage somewhere) being run with these side delete. I have read about cracking etc. I believe the SIDE delete is the way to go.. Not only for weight, but the HEAT they hold next to the rear tires.. Is there an Aftermarket center CAN you can use with this and not use the OEM (Made out of Gold) center can? Like other's, I have the center delete. Don't care how loud it is.. Would rather just run straight through the center delete.. Is that feasible?
Old 10-16-2015 | 05:34 PM
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Originally Posted by Evolved Rs
The piping is smaller so that it can slip into the center muffler like the OE side mufflers do.
I understand that - just curious what impact that has on performance. OE it has two entries so in reality OE it has more flow? I'm not stating this as a fact, it's more a question.
Old 08-22-2016 | 02:08 PM
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Here are few beauty shots of an exhaust set from our latest batch.






-Jerry@BBiAutosport.com
Old 08-22-2016 | 02:17 PM
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quality components, I wonder if you have any before/after Db measurements available?

With the sound limits at local tracks like Laguna Seca etc ... Db counts ...



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