YACT: Is a replacement cat worth the money?

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Shawn

Shawn

Lifer
Apr 20, 2003
32,236
53
91
I have already bought a cat-back exhaust for my car and I am planning on buying a new header. Should I go ahead and replace the catalytic converter too? It's very tiny and I can't help but feel that it's going to limit my whole new exhaust system greatly. Jackson racing makes a freer flowing cat for my car for $200. My friend says it's a rip though and a replacement cat wouldn't be any better than the one I have on there now. Maybe add 0.5 HP. Is this true?

Jackson Racing
 
amdskip

amdskip

Lifer
Jan 6, 2001
22,530
13
81
Do you have smog checks where you live at? Out here we just get rid of the insides but you can't do that where there are smog checks.
 
H

Heisenberg

Lifer
Dec 21, 2001
10,621
1
0
I put a bigger cat on my car when I put headers on it (already had a cat-back system). The way I look at it, 3" headers don't do any good if you have to constrict the exhaust down to a 2" pipe to get through the cat.
 
Shawn

Shawn

Lifer
Apr 20, 2003
32,236
53
91
Originally posted by: amdskip
Do you have smog checks where you live at? Out here we just get rid of the insides but you can't do that where there are smog checks.
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Nope. I guess I could get a through-pipe. But should I?
 
E

EyeMWing

Banned
Jun 13, 2003
15,670
1
0
Originally posted by: werk
Originally posted by: EyeMWing
Miata? Do you teach english, perchance?
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A van? Are you a serial rapist?
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Hey now, I wasn't poking fun. My english teacher actually races a ricey Miata. Yeah, races. Like on a track. Just trying to make sure there are at least 2 degrees of seperation between all you AT weirdos and myself.
 
StageLeft

StageLeft

No Lifer
Sep 29, 2000
70,150
5
0
I definitely wouldn't do sh*t without dyno numbers by people who've done it themselves on a miata. I'm sure you can find a forum. I'm sure you'll then realize that for all the money you're pouring in the car it's probably getting negligible gains. I'd personally keep it stock and if it does not satisfy your need for speed save up money for a faster car or one more easily modifiable. Course, you didn't ask for my opinion (like that's stopped me in the past :evil;):D
 
Shawn

Shawn

Lifer
Apr 20, 2003
32,236
53
91
Originally posted by: Skoorb
I definitely wouldn't do sh*t without dyno numbers by people who've done it themselves on a miata. I'm sure you can find a forum. I'm sure you'll then realize that for all the money you're pouring in the car it's probably getting negligible gains. I'd personally keep it stock and if it does not satisfy your need for speed save up money for a faster car or one more easily modifiable. Course, you didn't ask for my opinion (like that's stopped me in the past :evil: ):D
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Well I can already feel a difference after replacing the stock exhaust. People have told me that there is also a noticable difference replacing the header too. It's not cheap but it's cheaper than a new car or a Supercharger/Turbo. I really want a SCer but it'll just cost so much.....

edit: oh and my car isn't hard to modify at all. with the huge popularity of the miata there are so many mods available for it. probably as many if not more so than they have for civics. (just more pricey). there are also guides all over the internet for just about every mod. I added power windows to my car w/ the help of a guide (w/ pics). :D
 
P

PowerMac4Ever

Banned
Dec 9, 2000
5,246
0
0
$200 is a lot and you probably won't pass emissions with it... might as well go with a test pipe or leave it stock. imho of course.
 
Shawn

Shawn

Lifer
Apr 20, 2003
32,236
53
91
Originally posted by: Skoorb
Yeah I guess some mods are somewhat worth the money like headers, for instance...
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Well I don't think there's much more I can do to engine w/o putting the money into forced induction.
 
Shawn

Shawn

Lifer
Apr 20, 2003
32,236
53
91
Originally posted by: PowerMac4Ever
$200 is a lot and you probably won't pass emissions with it... might as well go with a test pipe or leave it stock. imho of course.
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know where I can get a test pipe?
 
P

PowerMac4Ever

Banned
Dec 9, 2000
5,246
0
0
Originally posted by: iloveme2
Originally posted by: PowerMac4Ever
$200 is a lot and you probably won't pass emissions with it... might as well go with a test pipe or leave it stock. imho of course.
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know where I can get a test pipe?
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just did a quick search on ebay and came across this
 
L

LAUST

Diamond Member
Sep 13, 2000
8,957
1
81
Flow Numbers, don't worry about power output numbers, they are BS usually




EDIT: Don't do an offroad pipe, joint the few elite of the world with a fast car thats 100% DOT legal
 
OS

OS

Lifer
Oct 11, 1999
15,581
1
76
Originally posted by: iloveme2
Originally posted by: Skoorb
Yeah I guess some mods are somewhat worth the money like headers, for instance...
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Well I don't think there's much more I can do to engine w/o putting the money into forced induction.
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port and polish heads
bored throttle body
cams


 
W

WinkOsmosis

Banned
Sep 18, 2002
13,990
1
0
Originally posted by: amdskip
Do you have smog checks where you live at? Out here we just get rid of the insides but you can't do that where there are smog checks.
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Yeah do that if you have no conscience. Also, forfeit your right to EVER bash an SUV.
 
Shawn

Shawn

Lifer
Apr 20, 2003
32,236
53
91
Originally posted by: WinkOsmosis
Originally posted by: amdskip
Do you have smog checks where you live at? Out here we just get rid of the insides but you can't do that where there are smog checks.
Click to expand...

Yeah do that if you have no conscience. Also, forfeit your right to EVER bash an SUV.
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yeah, I dunno why but I'll feel really bad takin my cat off. it's like i'm distroying the environment for a couple extra hp......
 
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