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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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08-10-2012, 12:02 AM
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Differences between an overpipe/midpipe/downpipe?
Sorry for the question just a bit confused.
On the NP website they have a downpipe with cat, then they have a downpipe with cat that replaces the overpipe. What is the difference?
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08-10-2012, 12:05 AM
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#2 |
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The downpipe with cat that replaces the overpipe is straighter and not a direct replacement. The stock piece is made the way it's made so that it clears RHD steering racks; we in the LHD world don't need a replacement for that pipe that's the same shape because we have no interference there. Engineering a pipe that's straighter and replaces the stock overpipe not only makes more power, but also gets rid of one gasket.
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| The Following User Says Thank You to OrbitalEllipses For This Useful Post: | Tonym427 (08-12-2012) |
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