Pontiac GTO 2004-2006 The Modern Goat

Exhaust question

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Old 07-07-2013, 06:03 PM
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Default Exhaust question

So im going to make my own exhaust but i had a question.. well two actually.. first i was looking at the JBA headers. Are they any good? i know they arent going to be kooks but are they worth the money? and also im going to be making a custom exhaust would it be better for performance to run a x-pipe or a h-pipe?
Old 07-08-2013, 07:45 AM
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Kooks = Best gains/Most Expensive
JBA = Great Gains/Mid Price
PacSetters = Solid Gains/Cheap price

See post 2 with dyno results for each header.
http://www.ls1gto.com/forums/showthread.php?t=494922

It's all about how much you want to pay and gain. Same goes for X/H Pipe huge debate which is "better" the X pipe will have a more "exotic" sound where the H is much deeper.
Old 07-08-2013, 02:41 PM
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Whatever brand you go with, just PLEASE get the coated headers. Well worth the extra money spent.
Old 07-08-2013, 03:20 PM
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I like JBA... I have JBA shorties with JBA mids, an H pipe and Spintech mufflers.
Old 07-10-2013, 07:04 AM
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An H pipe will give you a deeper sound than an X pipe, all things being equal. Either design is a plus. Nothing wrong with JBA headers. As mentioned, whatever you get, spend the extra money for the coating.
Old 07-11-2013, 08:26 PM
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well ive decided im just going ahead and buying kooks LT's but next question is 1 3/8 or 1 7/8? whats the difference
Old 07-11-2013, 08:42 PM
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Originally Posted by mitchell51
well ive decided im just going ahead and buying kooks LT's but next question is 1 3/8 or 1 7/8? whats the difference
Try searching on ls1gto. The 1 7/8" make more up top as opposed to the 1 3/4" IIRC.
Old 07-11-2013, 09:50 PM
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Stepped
Old 07-12-2013, 07:08 AM
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Originally Posted by J-Rod_Almighty
Stepped
Stepped! Designed for good torque down low yet does not suffer at higher rpms.



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