View Poll Results: Cat or No Cat?
With Cat
50
54.35%
Without Cat
42
45.65%
Voters: 92. You may not vote on this poll
Cat vs Catless
09-13-2007 | 10:52 AM
#51
Senior Member
Joined: 10-08-06
Posts: 544
Likes: 0
From: Missouri
I just did a custom 3" catless setup on my car from manifold back using a Vibrant muffler. Yes its very loud, but im actually getting ready to take my exhaust back down and put in a vibrant super quiet resignator. As for issues u'll get cell codes going catless, but as for power, I notice alot of differance from 1st to 3rd but 4th and 5th pull about the same. If you have HPTuners and r not afraid of gettting a ticket for noise violations, or a ticket for not having a cat. Then go Catless otherwise hi flows. That simple!
09-13-2007 | 10:59 AM
#52
Senior Member
Joined: 04-02-06
Posts: 3,507
Likes: 0
From: Harker Heights, TX
People saying don't get a cat just because you don't have emissions testing need to wake up. Without a cat your putting out over 100 times as much polution, with a large chunk of what your putting out being extremely toxic. If he is only going with a 2.5" catback, he could easily get a hiflow cat that flows more then 500cfm (~ what a 2.5" flows).
09-13-2007 | 11:26 AM
#54
[QUOTE=InfinityzeN;1445077]People saying don't get a cat just because you don't have emissions testing need to wake up. Without a cat your putting out over 100 times as much polution, with a large chunk of what your putting out being extremely toxic. If he is only going with a 2.5" catback, he could easily get a hiflow cat that flows more then 500cfm (~ what a 2.5" flows).[/QUOTE
for his application sure but if your going for a little more performance oriented then catless
for his application sure but if your going for a little more performance oriented then catless
09-14-2007 | 10:53 AM
#57
Banned
Joined: 03-14-06
Posts: 3,660
Likes: 1
From: soon to banned as I am from MANITOBA?
I would want a balanced 4cylinder not one with two cylinders restricted and the other two free flowing. that is why it makes no sense to run two cylinders on a cat and the other two not on a cat. as well 2 cylinders meet emmissions and the other two dont. if you cant see that well happy tuning. you have a cool setup.
12-18-2007 | 07:00 PM
#58
I would want a balanced 4cylinder not one with two cylinders restricted and the other two free flowing. that is why it makes no sense to run two cylinders on a cat and the other two not on a cat. as well 2 cylinders meet emmissions and the other two dont. if you cant see that well happy tuning. you have a cool setup.
12-18-2007 | 07:12 PM
#59
Banned
Joined: 09-18-06
Posts: 6,266
Likes: 1
From: between heaven and hell
I would want a balanced 4cylinder not one with two cylinders restricted and the other two free flowing. that is why it makes no sense to run two cylinders on a cat and the other two not on a cat. as well 2 cylinders meet emmissions and the other two dont. if you cant see that well happy tuning. you have a cool setup.
WTF did you just say?
12-18-2007 | 07:15 PM
#60
Senior Member
Joined: 10-30-07
Posts: 1,457
Likes: 0
From: Bakersfiled,CA
UHM I HEARD U LOOSE POWER AND TORQUE IF U GET WITHOUT THE CAT
BUT DO WHAT U WANT
12-18-2007 | 07:50 PM
#62
Member
Joined: 05-10-05
Posts: 236
Likes: 0
From: O-town, UCF
12-18-2007 | 08:16 PM
#65
Senior Member
Joined: 05-21-06
Posts: 5,578
Likes: 3
From: Gainesville, FL
i wouldn't ever go without a cat on a car that is supposed to have one.
the "tests" that were done involved taking the cat off of a car that otherwise had on. so, yeah, the car would freak out and lose power.
the "tests" that were done involved taking the cat off of a car that otherwise had on. so, yeah, the car would freak out and lose power.
Last edited by joeworkstoohard; 12-18-2007 at 08:16 PM. Reason: Automerged Doublepost
12-18-2007 | 08:17 PM
#66
Senior Member
Joined: 06-28-06
Posts: 12,577
Likes: 2
From: Canada
all the tests showed an increase.....
guys....seriously....think about what your saying
we spend all this time and money removing restrictions from exhausts.....
and somehow this giant fatass restriction right in the exhaust flow, is gonna ADD power.......
HELLOOOOOOOO
guys....seriously....think about what your saying
we spend all this time and money removing restrictions from exhausts.....
and somehow this giant fatass restriction right in the exhaust flow, is gonna ADD power.......
HELLOOOOOOOO
12-19-2007 | 12:35 AM
#67
Not a Sebring
Joined: 02-22-07
Posts: 12,863
Likes: 2
From: Northern VA
the only way a cat would ever result in a loss of power is if it induced a CEL on a car that has a failsafe mode that kicks in when the CEL is on. Our cars DO NOT have a fail safe mode that cuts fuel and in turn, power, when the CEL is on.
12-19-2007 | 01:15 PM
#68
all the tests showed an increase.....
guys....seriously....think about what your saying
we spend all this time and money removing restrictions from exhausts.....
and somehow this giant fatass restriction right in the exhaust flow, is gonna ADD power.......
HELLOOOOOOOO
guys....seriously....think about what your saying
we spend all this time and money removing restrictions from exhausts.....
and somehow this giant fatass restriction right in the exhaust flow, is gonna ADD power.......
HELLOOOOOOOO
I should just put a cat on my intake so i can get an extra 5 whp
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