Nissan 370Z Forum - which would be best

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redroadster10

08-25-2010 03:34 PM

which would be best

i have the fast intentions 18" exhaust on my roadster and looking to get either test pipes or high flow cats. i am wondering which would be the best one for horsepower an along with some sound just not too much. anyone with info let me know

phelan

08-25-2010 04:11 PM

"some sound just not too much" = HFCs

Trips

08-25-2010 04:15 PM

test pipes!

Kirkster

08-25-2010 04:33 PM

Try it with the stock cats first the FI exhaust is loud by itself.

Rogue Z

08-25-2010 05:43 PM

hahah go test pipes.....
right trips?

flashburn

08-25-2010 05:46 PM

I'm kind of curious what my car would sound like with test pipes instead of the HFC's. My problem is that I like the idea of using cat's from the pollution and smell perspective.

Trips

08-25-2010 05:55 PM

Quote:

Originally Posted by flashburn (Post 694291)

I'm kind of curious what my car would sound like with test pipes instead of the HFC's. My problem is that I like the idea of using cat's from the pollution and smell perspective.

definitely LOUDER!

flashburn

08-25-2010 07:04 PM

Quote:

Originally Posted by Triple's (Post 694300)

definitely LOUDER!

Yeah I just don't want to be a stinky and polluting bastard. :(

ProfessorDave

08-25-2010 07:46 PM

I've probably owned more cars without cats (because I'm old) than not. They didn't smell. well, not from the exhaust, anyway.

m4a1mustang

08-25-2010 07:48 PM

Stock cats for sure. Kirkster has ridden in my car so he's not joking when he says the 18" is fairly loud as is.

If it's not loud enough for you then add HFCs.

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