05-24-2021, 04:35 PM
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#1 (permalink)
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Track Member
Join Date: Jul 2016
Location: Montreal, QC Canada
Posts: 679
Drives: 2016 370Z Nismo 6MT
Rep Power: 19373
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Quote:
Originally Posted by RanRich
Lots of exhaust systems are sold without flex pipes - Fast intentions, Invidia, Greddy , Injen, Stillen, etc. I understand your concern, but think given the success and high regards for the above brands its not as detrimental as you think. Also the OEM Nismo H-pipe is like 2" ID at most, vs a full 2.5" here, that alone would be decent flow improvement.
I mainly wonder if this suffers the same slip joint leaks reported on their Y-pipe. Can anyone speak to that?
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Invidia exhausts used to have flex pipes but seem to have been replaced by a slip joint and spring design. This still does the job but it is a cheaper option. Borla also has the same design. At least it allows for some play for engine flexing on acceleration and such. I personally think not including flex joints in an exhaust mid pipe (per OEM design) is cheaping out. You’re free to buy what you like but if your paying the money, they should include proper flex pipes. Just saying.
PS: Flex pipes are very expensive and eliminating them is just a way for exhaust fabricators to save some serious cash. But quality does suffer in the long run.
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Last edited by Cyber370; 05-24-2021 at 04:41 PM.
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