Quote:
Originally Posted by Jordan
I'm just saying over and over again I've read that the gain with a test pipe is only a couple horsepower at most.
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EXACTLY! Or how about even a LOSS of Horsepower over a quality High-Flow Cat?!
TEST PIPES ON STREET CARS ARE FOR WHITE-TRASH REDNECKS!
Seriously, the only advantage to a test-pipe over a quality High-Flow Cat is the cost. Grassroots Motorsports did a test this month with on a Miata with a number of different cats. Here are the dyno plots with #1 being the testpipe.
And look at the Emmission differences, especially the Hydracarbons and Carbon Monoxide. Even if you don't have emmission testing in your area, it's a Federal law and you can be heavily fined. Plus it's a pointless way to get the Tree-Huggin Hippies on the Car-Tuners azz. Don't give them an excuse!
