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Thread: What size exhaust are you guys using with NA VE's?

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Posts: 31-40 of 73
2013-12-17 18:22:25
#31
will hollowing the cat do any difference ?
2013-12-17 18:52:09
#32
Originally Posted by B13TONY
will hollowing the cat do any difference ?


a whole lot of differences be a totally different beast when u hollow it out haha
2013-12-17 19:11:11
#33
Originally Posted by B13TONY
will hollowing the cat do any difference ?


test pipe?
2013-12-17 20:02:17
#34
Originally Posted by Redline
Originally Posted by B13TONY
will hollowing the cat do any difference ?


a whole lot of differences be a totally different beast when u hollow it out haha


haha foreals ? Like im already not gonna pass smog so yuck it haha
2013-12-17 20:39:26
#35
Originally Posted by Storm88000
I do know for a fact that 3" exhaust on a stock SR20DE (say like, a 96 200SX SE-R) will lose power down low. Not too far to think that it would do the same on the SR20VE motor. Although the peak HP occurs at different locations. A SR20DE with all bolt-ons will make peak HP at circa 7600RPM, but a full bolt on SR20VE will make peak HP closer to 8000RPM. I know so because my VE made peak power at 7960RPM, and my DE with all bolt ons at 7420RPM ish.

I remember SCC magazine put a 3" exhaust on their NA B13 DE and it lost like 8 ft-lbs down lown, but it did gain some up top. And I think that car had an intake. They were about to throw a turbo on it so they wanted to see what it made before hand.


Your theories are getting very annoying and very far from true. Nobody really cares about your VERY badly done DE "build" because you really dont know how these engine works at all.

Some nice RR dyno from well known JPSR20DET. Stock RR vs. 3" exhaust, 3" CAI and timing.

2013-12-18 01:14:08
#36
Originally Posted by B13TONY
Originally Posted by Redline
Originally Posted by B13TONY
will hollowing the cat do any difference ?


a whole lot of differences be a totally different beast when u hollow it out haha


haha foreals ? Like im already not gonna pass smog so yuck it haha


Lol dont use a good one. Use one that is already bad since our cars are like 20+ years old if you have the stock one it should be kinda bad already lolz
2013-12-18 11:55:01
#37
3.0" Vibrant oval piping, SQ Oval resonator. small pie cut turn down
2013-12-18 13:43:20
#38
^^^ nice runs
2013-12-18 16:43:26
#39
Originally Posted by nismo_star
3.0" Vibrant oval piping, SQ Oval resonator. small pie cut turn down


Looks nice, I've got a side exit too, but its straight through. No resonator or muffler, was intended for a turbo build. If I was planning on staying NA'd I'd definitely put a resonator on.
2013-12-18 18:24:58
#40
3" /w cat resonator and Dynomax VT, sounds great, very quiet, and makes good power. Keep a cat, ditch the factory cat for a true 3" cat and you will not loose much but it will be less raspy and less drone.
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