Drivetrain (Cooper S) MINI Cooper S (R56) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain Alta catback question

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Old Jun 9, 2007 | 10:28 AM
  #1  
FLKeith's Avatar
FLKeith
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From: Florida
Alta catback question

Does the Alta catback exhaust retain both of the original cats? What is the 4th picture on this description:
http://www.altaminiperformance.com/p...atback-Exhaust

Is it a replacement for the 2nd cat?
 
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Old Jun 9, 2007 | 12:56 PM
  #2  
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a96bimmerm3
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From: Aventura, Florida
Its a resonator, the first cat is very close to the turbo, the other one is a bit upstream of where the catback connects to. No, this does not replace any of the cats.
 
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Old Jun 10, 2007 | 04:33 AM
  #3  
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FLKeith
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Originally Posted by a96bimmerm3
Its a resonator, the first cat is very close to the turbo, the other one is a bit upstream of where the catback connects to. No, this does not replace any of the cats.
Great - that makes it a legal upgrade for SCCA G-stock class.
 
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Old Jun 10, 2007 | 07:15 AM
  #4  
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a96bimmerm3
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From: Aventura, Florida
Where are you located in Florida? I'm looking for some autox action it looks like fun!
 
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Old Jun 10, 2007 | 01:01 PM
  #5  
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From: Orlando Florida
from my days with the miata there are about 4 or 5 autocrosses a month around florida. I usually look at miata.net in the southeast section they post a monthly thread with all the autocrosses
 
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Old Jun 11, 2007 | 09:03 PM
  #6  
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ADAMSALTAMINI
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From: Oregon
That is correct! Keeps both cats and we will offer our downpipe with two cats later this month in 3" as well to compliment. Check out my installation here:

https://www.northamericanmotoring.co...d.php?t=104014
 
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