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there are two cats; one per header in most exhaust layouts, the catalic converters are where a lot of back-pressure builds up due to the setup, hfcs free up that
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09-01-2010, 08:09 PM
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#16 (permalink) |
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Join Date: Aug 2010
Location: Virginia
Posts: 9
Drives: 05 G35 6MT
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there are two cats; one per header
in most exhaust layouts, the catalic converters are where a lot of back-pressure builds up due to the setup, hfcs free up that pressure and allow for a briskier throttle response, though often at the expense of some high-end power (loss of back-pressure in high rpms tends to lose hp, tho i'm not sure if thats the case with the Z) Last edited by Lenny; 09-01-2010 at 08:11 PM. |
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