Quote:
Originally posted by [h]ardocp_geek
Depending on combination (testpipe/downpipe etc) law of diminishing returns is in.
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I'd have to disagree with this as well. As long as your exhaust mods keep opening things up more WITHOUT creating addition turbulence, the NA will continue to gain hp simply by being able to breath better each time. The only loss will be a little low end torque, but from midrange through top end the engine comes alive like a scalded ass ape!
