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370Z Nismo questions..HFC vs Test Pipe

Originally Posted by klubbheads - you won't pass the emissions inspection no matter if you have test pipes or HFC - lots of automobiles spit out ton of carbon monoxide.

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Old 04-30-2010, 03:41 PM   #8 (permalink)
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Quote:
Originally Posted by klubbheads View Post
- you won't pass the emissions inspection no matter if you have test pipes or HFC
- lots of automobiles spit out ton of carbon monoxide. One Z with TPs is not going to ruin the world.
- there is a good chance you will get that smell with HFC as well.

OP: With TPs you will get some rasp at certain rpms no matter the exhaust type. HFC s dont have that problem.
you will pass inspections with high flow cats. I have it on my car, it passes every time. There is a big difference between a straight pipe and a pipe with a catalyst(s) with 02 sensors.

And I'm not singling out Z's. I'm talking any car in general. Catalytic converters are there for a reason, no reason to run test pipes.

And the smell with a HFC resembles a normal catalytic converter more than a test pipe
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