Quote:
Originally Posted by Kracka
At that point though, it might just make more sense to go with ARH mid-length catted headers ($1500)...but that's a whole other can of worms...
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Quote:
Originally Posted by scheides
There is no question--give it a try! It will for sure help on the top end!
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Following up on some discussion from a month ago, a local did some back-to-back testing with the ARH mid-length catted headers at the same shop/dyno I used for my ported/coated exhaust manifold testing.
My results were +11whp/+8wtq
His results were +11whp/+14wtq
Conclusion:
I'll be sticking with my ported/coated manifolds and stock primary cats, especially considering they're 1/4th the cost and OEM in appearance for warranty reasons! Both setups will pass OBDII emissions inspection, and both are safe with the stock tune.