Quote:
Originally Posted by Chuck33079
With the stock cats in place, shorty headers are going to make very little difference in volume. Where are you getting your info from?
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Been around for 15 years in road course, drag, NA applications, hondas, turbo subarus - new here but not 'new' at all. But I am glad to be here, enjoying my 370z very much.
I'd bet you lunch a pair of shorty headers on an otherwise stock 370z exhaust would increase in DBs at WOT under load. And it would only be further amplified by a midpipe + short tails. Exhaust components tends to be synergistic especially when it comes to scavenging and cfms.
The thin wall tubing alone would add noise
But...yes I would imagine that the long tubes are always going to be superior, stuffing a clumsy collector closer to combustion rarely makes power unless there is a snail attached to it, but OP just wants noise :P