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#1
06-14-2006, 09:53 AM
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'91 300ZX exhaust diameter?
does anyone know the stock exhaust diameter for a '91 300ZX non-turbo? I am looking for 2 high flow cat's and I need to know the exhaust diameter.
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'01 Celica GT Panther 18's 235/40/18 '93 Honda Civic EX Injen CAI Panther 18's 215/35/18 
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#2
06-14-2006, 11:28 AM
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Re: '91 300ZX exhaust diameter?
Quote:
 hmm...id say 2"-2 1/4" but i am not sure.
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 ZedEx Crew Member #4
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#3
06-14-2006, 03:40 PM
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Re: '91 300ZX exhaust diameter?
I believe its 2". Most after market companies increase the size to 2.25" and 2.5" Honestly you dont need much more than that on a Z because its still just two 1.5L Inline three cylinders.
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Finaly got pics of my car....... after I washed it of course.  
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#4
06-14-2006, 06:14 PM
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Re: '91 300ZX exhaust diameter?
Well I dont wanna put a lot on it I just want 2 high flow cat's so they come in 2" 2.25" and 2.5". Does anyone know where I could find out how big it is? I dont wanna buy them and them not fit.
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'01 Celica GT Panther 18's 235/40/18 '93 Honda Civic EX Injen CAI Panther 18's 215/35/18
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#5
06-14-2006, 07:55 PM
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Re: '91 300ZX exhaust diameter?
__________________
1990 Z32 2+2 BLITZ SUS Intake, HKS ALC My 1994 TT Supra For Sale: http://www.automotiveforums.com/vbul...d.php?t=623105
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#6
06-15-2006, 01:11 AM
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Re: '91 300ZX exhaust diameter?
pfft go with 3" straight pipe
__________________
   Past Z Car Crew[The Enemy Of Your Enemy is Your Friend] >>Keep Your Friends close : But Keep Your Enemies Even Closer <<
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