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Hi guys, if i remove main cat will CEL appear? Will i notice any gain in performance of car?
00 Mystique LS V6 ATX
57K miles
K&N air filter
TH Fix
B&M 70268 Atx cooler
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Joined: May 2004
Posts: 3,637
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: May 2004
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Originally posted by dgodard: Hi guys, if i remove main cat will CEL appear? Will i notice any gain in performance of car?
NO and NO.
Gutting the precats will help a little bit, but they will throw a CEL without MIL's
99 TRed Contour SVT # 1853 out of 2760
230.2 WHP @ 6500
237.0 WTR @ 2250
Originally posted by MxRacer: Originally posted by RawBurt: I'll be keeping it to myself, until the time comes. It'll be hard to find.
much like your weiner.
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Joined: Mar 2004
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Hard-core CEG\'er
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Hard-core CEG\'er
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Originally posted by dgodard: Hi guys, if i remove main cat will CEL appear?
No...but believe me, if/when you remove it, you'll regret it forever b(sounds like total ass). Put a high flow unit in it's plece and you should be ok.
As far a performence, with my test pipe installed the car seems to breath much easier up top, however i have no dyno graps to back this up. I only run my test pipie on track days as I hate the way it makes the car sound.
99 SE V6\5spd - 156 HP\157 TQ 15.166-90.84
Totaled 02/12/06
99 SVT # 1571 - 175 HP\153 TQ 14.999-91.88
Born 3/24/99 Reborn 3/18/06
Pietenpol Racing Technologies project vehicle
90 Festiva L 5spd, Blue(not for long), 103k
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Joined: May 2005
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Hard-core CEG\'er
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Hard-core CEG\'er
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Originally posted by Pole120: Originally posted by dgodard: Hi guys, if i remove main cat will CEL appear?
No...but believe me, if/when you remove it, you'll regret it forever b(sounds like total ass). Put a high flow unit in it's plece and you should be ok.
As far a performence, with my test pipe installed the car seems to breath much easier up top, however i have no dyno graps to back this up. I only run my test pipie on track days as I hate the way it makes the car sound.
It doesnt sound that bad... and actually sounds nice after warmed up for 30 seconds of driving... There are a few other CEGers that have heard my exhaust (stock with no main cat)... i admit, it could be better, but its not bad.
~Ryan
1999 T-Red SVT Contour
41k Miles #1701 / 2760
B&M, Custom Y-Pipe, Alpine HU, Pioneer 6x8's & 6x9's
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Joined: May 2004
Posts: 3,637
Hard-core CEG\'er
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Hard-core CEG\'er
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Originally posted by Guitarman19853: Originally posted by Pole120: Originally posted by dgodard: Hi guys, if i remove main cat will CEL appear?
No...but believe me, if/when you remove it, you'll regret it forever b(sounds like total ass). Put a high flow unit in it's plece and you should be ok.
As far a performence, with my test pipe installed the car seems to breath much easier up top, however i have no dyno graps to back this up. I only run my test pipie on track days as I hate the way it makes the car sound.
It doesnt sound that bad... and actually sounds nice after warmed up for 30 seconds of driving... There are a few other CEGers that have heard my exhaust (stock with no main cat)... i admit, it could be better, but its not bad.
better as in... with a Cat
99 TRed Contour SVT # 1853 out of 2760
230.2 WHP @ 6500
237.0 WTR @ 2250
Originally posted by MxRacer: Originally posted by RawBurt: I'll be keeping it to myself, until the time comes. It'll be hard to find.
much like your weiner.
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Joined: Sep 2000
Posts: 777
Veteran CEG\'er
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Veteran CEG\'er
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I have the magnaflow hi-flo cat and I love it. If you want better flo than the stock cat that's the way to go, you could also go with headers or gutted precats , plus w/o the main cat it's easy to catch on a visual inspection and that can equal a fine.
"we aren't punished for our sins, but by them"
2000 se sport tropic green/gray leather.
V6,svt body kit and E1 wheels/Avon tech m500 rubber, many mods.
2003 Eddie Bauer Explorer V8
2001 Suzuki Bandit 1200S
1996 Mercury Sable
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Joined: Oct 2005
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Thanks by comments guys...well, i think i'll go with headers then...what do you recommend here?? nice and cheap? lol
If i go with headers do i need MIL eliminators?
Last edited by dgodard; 05/26/06 11:28 PM.
00 Mystique LS V6 ATX
57K miles
K&N air filter
TH Fix
B&M 70268 Atx cooler
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Joined: Mar 2004
Posts: 4,141
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Mar 2004
Posts: 4,141 |
Originally posted by Guitarman19853:
It doesnt sound that bad...
Yeah, i love the sound of rasp...
99 SE V6\5spd - 156 HP\157 TQ 15.166-90.84
Totaled 02/12/06
99 SVT # 1571 - 175 HP\153 TQ 14.999-91.88
Born 3/24/99 Reborn 3/18/06
Pietenpol Racing Technologies project vehicle
90 Festiva L 5spd, Blue(not for long), 103k
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Joined: May 2005
Posts: 1,317
Hard-core CEG\'er
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Hard-core CEG\'er
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Originally posted by Tourige:
better as in... with a Cat
Too quiet with a cat. I'd rather have it be how it is than with a cat.
Originally posted by Pole120: Originally posted by Guitarman19853:
It doesnt sound that bad...
Yeah, i love the sound of rasp...
Rasp goes away after the engine warms up (usually 30-60 seconds of driving)
~Ryan
1999 T-Red SVT Contour
41k Miles #1701 / 2760
B&M, Custom Y-Pipe, Alpine HU, Pioneer 6x8's & 6x9's
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Posts: 5,345
Addicted CEG\'er
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Addicted CEG\'er
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Originally posted by dgodard: ...If i go with headers do i need MIL eliminators?
Yes. You need two, one for Bank 1 Lower O2 sensor and one for Bank 2 Lower O2 sensor.
If you have to deal with smog emissions inspections (tailpipe), headers are not the way to go as you will probably have a hard time getting the car to pass.
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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