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Author
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Topic: 1 5/8" vs. 1 3/4" shorty headers - What is the real difference and is it worth it?
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7-Up Man
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Member # 8345
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posted
 
 
There is a fellow Norcal member selling MAC headers and they are 1 5/8" ceramic shorty headers. Do the 1 3/4" ones perform that much better? Are they worth the risk of no CARB OE number?
Any help on this would be great
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"If women don't find you handsome, they should at least find you handy." -Red Green
Posts: 93 | From: Walnut Creek | Registered: Apr 2008
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DIRTY SALLY
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Member # 7845
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posted
i got 1 5/8 on my jba headers i think long tubes come in 1 3/4 dont they
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Savage Habits
instagram @2cheezen
Posts: 9145 | Registered: Aug 2007
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7-Up Man
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Member # 8345
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posted
I went to check out the headers that this member is selling and MAC offers both 1 5/8" and 1 3/4" shorty's. Just want to know if I am really limiting myself with the smaller headers. or will smog be a big concern with the big ones.
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"If women don't find you handsome, they should at least find you handy." -Red Green
Posts: 93 | From: Walnut Creek | Registered: Apr 2008
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2stangs69-91
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Member # 1951
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posted
Big ones are not smogable. A friend of mine did get his 1 3/4 mac equals by a smog tech he brought the EO number for the 1 5/8...told the tech his plate fell of the 1 3/4's lol. I run mac 1 5/8 equal shorties on my 91 and it has run in the 10's so you can make power with them.
[ November 20, 2008, 08:14 AM: Message edited by: 2stangs69-91 ]
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69 Mustang on hold
1991 LX hatch getting a make over
1994 F150 4X4 351
2006 Yamaha V-max 1200 Modded
Posts: 3711 | From: Redding | Registered: Oct 2002
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