Quote:
Originally Posted by Terry335
True it's hard to say, but dumping the cats and cleaning up the bends a little might make a big difference. The closer to the turbo, the higher flowing your exhaust needs to be! Let's just say I'm very optimistic a good downpipe will be worth around 15-20rwhp in a high boost car.
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Without the cats I would definitely agree. Especially once some laregr snails are attached.
However, I would love to see a catalytic converter pressure drop test to get an idea on the potential bottleneck of the stock cores.