Quote:
Originally Posted by Sh0velMan
I'd guess 2.5".
Look at how the primaries are cut and flared out to meet into the collector.. That's really good.
I bet these are a big improvement over the Stillens.
Those + some inexpensive TP's probably put you within a few WHP of the PPE LTH.
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So many people have the crappy stillen headers yet I haven't seen anybody with these. Wonder why.