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What I meant by a downpipe is a pipe that goes straight from the exhaust manifold to the rest of the exhaust system. This would completely remove the catalytic converters
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03-04-2009, 06:49 PM
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Join Date: Mar 2009
Location: Detroit
Posts: 79
Drives: 2003 Saab 9-3
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What I meant by a downpipe is a pipe that goes straight from the exhaust manifold to the rest of the exhaust system. This would completely remove the catalytic converters for better breathing.
But what brand high-flow cats do you recommend? |
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