01-15-2006, 12:42 AM
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#1 |
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3" Exhaust
Join Date: Sep 2005
Location: Willmar, MN
Posts: 131
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Anyone tried the NA OBX headers?
Saw a set for sale and was wondering if anyone has these or has tried these. Any comments welcome. Also, anyone know approximately what gains are acheived with headers?
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01-15-2006, 03:02 AM
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#2 |
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Stock
Join Date: Jun 2005
Posts: 26
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How Much Are ObX
I Wanted to buy OBX ALSO ARE THEY ANY GOOD .. I HAVE A AVERY SMALL BUDGET . .
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01-15-2006, 08:04 AM
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#3 |
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3" Exhaust
Join Date: Sep 2005
Location: Vancouver, BC Canada
Posts: 157
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a while ago i raised this question about these headers. from ebay right? i am going to get them, just my budget at the moment is tight. as i can remember, we compared them to the pacesetter ones for the NA supra. I personally like the OBX headers. they look really clean, the welds look really good and it looks like an overall good product.
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01-15-2006, 08:12 AM
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#4 |
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3" Exhaust
Join Date: Oct 2005
Location: San Diego, CA
Posts: 238
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Dang, I was hoping you would have gotten them by now.
 Their build quality seems really nice, they are what I would go with if I had an NA, Most definitely. http://www.toyota-supra.info/forums/...hlight=headers
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Function Over Form - Form Follows Function 88 MkIII Jurbo |
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01-15-2006, 03:57 PM
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#5 |
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3" Exhaust
Join Date: Sep 2005
Location: Willmar, MN
Posts: 131
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I got a reply from one of the sellers. The outlet is 2.5". Soo... Would it be a waste if you had 3" behind that? Curious...
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01-15-2006, 04:10 PM
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#6 |
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3" Exhaust
Join Date: Sep 2005
Location: Willmar, MN
Posts: 131
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Pacesetter is a 2" outlet. OBX seems to be the better alternative.
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01-15-2006, 05:36 PM
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#7 |
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3" Exhaust
Join Date: Oct 2005
Location: San Diego, CA
Posts: 238
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Stick with 2 1/2 or 2 3/4 at the most if your planning to use nitrous. I just did a calculation based on engine size and the ideal piping size is slightly under 2.5. 183.07 is the 7M in cubic inches.
(RPM x Motor Size)/554,177 = Recommended diameter. (7,000 x 183.07)/554,177 = 2.31"
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Function Over Form - Form Follows Function 88 MkIII Jurbo |
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01-15-2006, 11:35 PM
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#8 |
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3" Exhaust
Join Date: Sep 2005
Location: Willmar, MN
Posts: 131
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With those #'s 2.25" is darn close. Have you seen headers with a 2.5" exit?
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01-16-2006, 02:16 AM
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#9 |
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3" Exhaust
Join Date: Oct 2005
Location: San Diego, CA
Posts: 238
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Yes, and I've seen 3" collectors too. I recommend you stick with 2.5" piping.
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Function Over Form - Form Follows Function 88 MkIII Jurbo |
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01-16-2006, 07:56 AM
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#10 | |
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3" Exhaust
Join Date: Sep 2005
Location: Vancouver, BC Canada
Posts: 157
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Quote:
haha no, not yet. soon though, very soon. I decided to do a whole bunch of little things first. replaced all my vacuum hoses with the hose technique kit. made a custom intake, so now i dont have that ugly N/A intake piping. and I got my dvd player for the car that i have been saving for haha...... but the headers are my next thing. I am definetly getting the OBX headers. probably within the next month. Cant wait to get them! |
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