996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Center Exhaust/Diffuser Project

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Old Aug 8, 2016 | 04:05 PM
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what did you use to make the fins?
 
Old Aug 8, 2016 | 04:18 PM
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Thin sheets of aluminum.
 
Old Aug 8, 2016 | 05:32 PM
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Thanks man! Thinking about doing something like this for my IS
 
Old Oct 18, 2016 | 06:40 AM
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When you were AWD what tire setup have you been using to keep fronts at least the same size as rears?

As I search for slick can find pirelli 265-645 and 325-650 the same diameter size, michelin 27/65(if they wil fit) and 30/65, some hankook 260-660 and 300-660 etc

for R compound tires if chasing a wider tire in front is hard to find exactly matching tires


If there was no restriction/penalty would you keep your car AWD ?
 
Old Oct 18, 2016 | 11:33 AM
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Originally Posted by heavychevy
Decided to figure something out after years of talking about it. My mechanic (one of them) is a top notch fab guy. Built the center exhaust and we fashioned the diffuser together. Testing at end of July at Barber motorsports park. The mounting solution for the rear was so simple, just needed the right stuff.

Still in development, but coming along nicely.
Wow! Great work!! I always thought the center exit slanted tip RSR style would be pretty neat with a diffusor. What kind of sound does that exhaust have? Anywhere near the cup car sound?
 
Old Oct 18, 2016 | 01:39 PM
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Originally Posted by Fadi
When you were AWD what tire setup have you been using to keep fronts at least the same size as rears?

As I search for slick can find pirelli 265-645 and 325-650 the same diameter size, michelin 27/65(if they wil fit) and 30/65, some hankook 260-660 and 300-660 etc

for R compound tires if chasing a wider tire in front is hard to find exactly matching tires


If there was no restriction/penalty would you keep your car AWD ?
They dont have to exactly match. Keep them within an inch and you will be fine.

I would have removed awd anyways as its one of the easiest and cheapest ways to lose 75 lbs. Its so hard to make these cars really light. Performance is a wash unless its raining.


Originally Posted by VAGscum
Wow! Great work!! I always thought the center exit slanted tip RSR style would be pretty neat with a diffusor. What kind of sound does that exhaust have? Anywhere near the cup car sound?
Sounds FANTASTIC. Much better than the usual straight pipes. Like a cup car with mufflers.
 
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