LS2 Exhaust Questions: X or H pipe, 2.5" or 3", etc - LS1TECH

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LS2 Exhaust Questions: X or H pipe, 2.5" or 3", etc

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Old 12-30-2011, 04:53 PM   #1
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Default LS2 Exhaust Questions: X or H pipe, 2.5" or 3", etc

I am installing a stock 400HP LS2 and 4l70e trans out of a 2008 TBSS in my 69 Camaro. I have switched over to a corvette intake & TB with long tube headers with 3.73 gears.

- How important is the exhaust size? Would I be better off with 2.5" or 3"? H pipe or X pipe.
- What would you recommend for header gaskets?
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Old 12-31-2011, 02:14 PM   #2
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anyone...
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Old 01-01-2012, 11:09 PM   #3
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Imo id do 3 in and do a X pipe
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Old 01-01-2012, 11:26 PM   #4
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2.5" won't restrict your power at all right now, but if you were to produce a large amount of power in the future, 3" would be your better bet. H pipe will sound more old school and deeper, while an X pipe will give a few more HP (most of the time unnoticeable) and a louder but...more unrefined I suppose sound.
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Old 01-04-2012, 11:08 AM   #5
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Quote:
How important is the exhaust size? Would I be better off with 2.5" or 3"?
For stock and near stock power 2.5" is more then enough. If you plan on putting down 500+ hp then go with the 3".

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H pipe or X pipe?
H sounds deeper and muscular like an old school V8, X sounds like a buzzing exotic european V8...your call as to what you want your 69 Camaro to sound like.

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What would you recommend for header gaskets?
Go with OEM ones
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Old 01-04-2012, 01:15 PM   #6
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Quote:
Originally Posted by redtan View Post
H sounds deeper and muscular like an old school V8, X sounds like a buzzing exotic european V8...your call as to what you want your 69 Camaro to sound like.
The pitch is higher, but it in no way replicates a flat plane crank engine.
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