 Takeing out the Catalatic converter, What kind of gains? |
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 Sep 13, 2004 - 8:19 PM
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Just like the topic says, or is this a BADDDD Idea?
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Sep 13, 2004 - 8:24 PM
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Enthusiast  Joined Aug 30, '02 From San Juan, PR Currently Offline Reputation: 4 (100%) |
It's not going to be a very noticeable difference. You'll feel it but it's not like :"Damn, this thing got quick". But hey, better than nothing.
-------------------- Past - 7A-FTE: Will never forget you
Present - 3rd Gen 3S-GTE: Swap in progress QUOTE (SinisterSinner @ Dec 19, 2009 - 10:52 AM)  I dont want to even think of turbos, they blow up way too often... |
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Sep 13, 2004 - 8:25 PM
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Bad idea though?
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Sep 13, 2004 - 8:26 PM
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 Enthusiast Joined Aug 30, '02 From Anaheim, CA Currently Offline Reputation: 0 (0%) |
dont waste the time and money unless you are turbo charged -------------------- 1994 Celica GT4 WRC Edition
@gt4.wrc on Instagram |
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Sep 13, 2004 - 8:33 PM
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 Enthusiast Joined Sep 6, '04 From oakdale Mn Currently Offline Reputation: 0 (0%) |
ohh man that was the best cheapest mod that i have ever done you can really see it from like 3500 to about 5800 i couldn't believe it when i went for a test drive definately worth doing. i broke 2 extenisons removing it and no they weren't the lil 2 dollar ones they were craftsman
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Sep 13, 2004 - 8:34 PM
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Enthusiast Joined Sep 6, '04 From oakdale Mn Currently Offline Reputation: 0 (0%) |
and it doens't smell like rotten eggs becuase of the seconadary cat. that's the one that is not worth the bother of taking out.
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Sep 13, 2004 - 8:39 PM
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 Enthusiast Joined Dec 2, '02 From Portland, Oregon Currently Offline Reputation: 0 (0%) |
your cat was probably melted and clogged... If you have a good working cat it won't make much of a difference.
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Sep 13, 2004 - 8:41 PM
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Enthusiast Joined Sep 6, '04 From oakdale Mn Currently Offline Reputation: 0 (0%) |
actually it wasn't at all i was quite surprised.
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Sep 13, 2004 - 8:59 PM
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 Enthusiast Joined Oct 30, '03 From IL Currently Offline Reputation: 15 (100%) |
would this pass the emission test?
-------------------- PROJECT 6TH GEN
 <FS: Things up for grabs> <Progress> |
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Sep 13, 2004 - 9:23 PM
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 Enthusiast Joined Dec 27, '03 From Nor Cal Currently Offline Reputation: 0 (0%) |
It's not legal in any State to run a car (post 1974) without a CAT... and it most definately won't pass smog without a cat. Anyways... gains from removing the catalytic converters is not worth the hassle. The gains are minimal... -------------------- "It's ok to be naked girl... I'm an artist!"
1995 AT200 Celica ST: stocked out daily driver... 1984 AE86 Corolla GT-SR5: silvertop 20V 4AGE project car jacked up with goodies... 1991 SW2x MR2 n/a: bare bones hardtop model soon to be... |
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Sep 13, 2004 - 9:40 PM
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 Enthusiast Joined Feb 27, '04 From Illinois Currently Offline Reputation: 1 (100%) |
But wouldn't that help your gas mileage a little bit? My buddy claims that since taking his out, he's picked up like 5 miles per gallon..
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Sep 13, 2004 - 9:46 PM
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Enthusiast Joined Dec 27, '03 From Nor Cal Currently Offline Reputation: 0 (0%) |
in his head maybe... the butt-meter is not a good way to tell anything. I'm running no-cat on my AE86 Hatch and it's not noticeable compared to my AE86 Coupe. The hatch pulled on the coupe with a cat by 1 and 1/2 cars, and again the same thing without a cat... only a bit louder. The exhaust flow does slightly increase, but it's not enough to make any noticeable difference. -------------------- "It's ok to be naked girl... I'm an artist!"
1995 AT200 Celica ST: stocked out daily driver... 1984 AE86 Corolla GT-SR5: silvertop 20V 4AGE project car jacked up with goodies... 1991 SW2x MR2 n/a: bare bones hardtop model soon to be... |
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Sep 13, 2004 - 10:35 PM
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Enthusiast Joined Sep 6, '04 From oakdale Mn Currently Offline Reputation: 0 (0%) |
here in minnesota they took away the emission testing so haha but it's still illegal to not to have on but if they wanna argue no cops is goona know where the primary cat is. if he gives ya some hassle tell em to look under the car and there he'll find the secondary cat i like to call it the kitten haha.
This post has been edited by rjbibeau: Sep 13, 2004 - 11:16 PM -------------------- |
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Sep 14, 2004 - 4:54 AM
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 Enthusiast Joined Oct 29, '03 From Gosport, Hampshire, UK Currently Offline Reputation: 0 (0%) |
A lot of the us UK guys are finding a de-cat pipe a really good and noticeable modification to have.
I personally, would say to go for it... just put the Catalyser back on for the emissions test when it comes to the time. -------------------- |
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Sep 14, 2004 - 7:10 AM
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Well...even if you know someone that will pass you. Im sure we're good!?
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Sep 14, 2004 - 11:11 AM
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 Enthusiast Joined Nov 27, '03 Currently Offline Reputation: 0 (0%) |
I was told by a guy who owns an emissions and safety testing place here in Utah, that if you are caught not having a cat on your car you could get up to a 25,000 dollar fine....sounds a bit extreme but if it were me I would just go with a high flow cat and save yourself the trouble. Like kwanza said unless your cat is currently clogged you won't notice much of a difference. The only way that you would is if you did an entire exhaust and not just 3 feet of it.
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Sep 14, 2004 - 11:25 AM
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Well thats what im doing they are running a whole bunch of stuff from the engine to the back! he said its going to be bad ass
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Sep 14, 2004 - 12:40 PM
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 Enthusiast Joined Feb 10, '03 From Connecticut Currently Offline Reputation: 11 (100%) |
what about boosted? -------------------- |
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Sep 14, 2004 - 12:53 PM
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 Enthusiast Joined Jul 5, '03 From Scotland , Uk Currently Offline Reputation: 0 (0%) |
Made a huge diference to my car , the low down torque it gave made the car so much better driving around town, as raz sayed over here in the Uk everyone who has removed theres noticed a marked improvment, mind u the 3s-ge doesnt have a lot of low down torgue so any improvement will be felt better that with the engines u guys have
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Sep 14, 2004 - 2:06 PM
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Enthusiast Joined Aug 30, '02 From Anaheim, CA Currently Offline Reputation: 0 (0%) |
lol first i put the catback on my car, no power gains that i could feel then i put the down pipe and test pipe, which got rid of the 2 cats after the turbo. the car ran better, hit boost a little sooner, and made more top end power then i got rid of the damn cat that subaru put BEFORE the turbo that made a HUGE difference. boost came sooner, hit harder and 3rd gear wasnt a girlie gear anymore. best exhaust on a boosted car is no exhaust, after the turbo that is. -------------------- 1994 Celica GT4 WRC Edition
@gt4.wrc on Instagram |
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