Dundon Street Header (catted) Testing on 991.2 GT3RS

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06-15-2022, 11:02 PM

#61

Jamie@dundonmotorsports

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Quote:

Originally Posted by FourT6and2

Any performance info before/after for just the intake/plenum/throttle body on an RS?

I'm interested in doing this upgrade, but I don't have plans to touch the headers at this time.

it’s all about pressure. Eliminating the airbox and throttle body as a restriction will allow more atmospheric pressure to get in the manifold. Without
More suction on the exhaust side there are gains but not as much.

That said many have done what you’re looking to do: we’ve just never tested it on our dyno. The pressure gains translate to 15-20whp….

Don’t have the exact data you’re looking for on the RS…

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