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12-16-2014, 11:02 AM
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#1 |
 
Drives: 2018 2SS M6 Redline Join Date: Oct 2014
Location: United States
Posts: 431
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Thoughts on 3" pipes
Im sure all im going to do to my car is cai, headers with high flow cats, maybe axle back, ptb, throttle controller, and a tune. At which point does it become important to switch out the 2.5" stock exhaust pipes to 3"? How sufficient are the stock catback pipes? Will I gain anything? Is it much of a gain?
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12-16-2014, 11:32 AM
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#2 | |
 
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,400
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Quote:
Typically with simple bolt ons like you listed there is very little to gain with cat back exhaust other than sound. We typically will switch over to 3 in cat back with Forced induction. Ted.
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Celebrating 39 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
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12-16-2014, 11:43 AM
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#3 | |
Drives: 2000 Camaro SS Join Date: Feb 2010
Location: Louisville, Ky.
Posts: 25,165
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Quote:
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12-16-2014, 12:02 PM
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#4 |
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Drives: 2018 2SS M6 Redline Join Date: Oct 2014
Location: United States
Posts: 431
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I have an auto. I pretty much thought of 1 7/8" headers versus 2" when I thought of this question too. Someone somewhere said 2" headers would benefit in forced induction setups but not so much in n/a aspired setups which led me to wonder the benefits of a 3" catback.
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12-16-2014, 12:29 PM
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#5 |
        
Drives: 73 VETTE ,, 05 2500hd diesel,14 1LE Join Date: Feb 2014
Location: The Left lane PHOENIX AZ
Posts: 2,626
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Well Worth the 3 inch for the deep sound .
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OLD GUY FLYING FAST AND LOW
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