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Joined: Dec 2002
Posts: 4
qualtgts
New Member
qualtgts Dec 9, 5:41pm - #2547 
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Joined: Dec 2002
Posts: 4
wichita
Cat removal

will a cat removal help power or not.
will it cause an error or anything. I am debating doing this and need some help
Joined: Dec 2002
Posts: 50
1sikcel
Member
1sikcel Dec 10, 12:18am - #2548 
2001 black Toyota Celica GTS
Member
2001 Toyota Celica GTS

Joined: Dec 2002
Posts: 50
Long Island- NY
I hollowed out my cats which basically does the same as removing them. It makes kind of a deeper sound. I recommend hollowing them out that way you might be able to pass car inspections. It should add a little gain in hp, like 5-10. it shouldn't cause any problems with your car.

Current Mods:
Custom Exhaust w/ TSRM muffler,Injen CAI,Hotchkis Lowering Springs,Carbon Fiber Dash,35% Tint,UnderDash Neons,S2000 Antenna,Redded Out Tail Lights,Red Corner Lenses + Blinkers,Radio Face, AEM Tru-Power Pulley
Joined: Sep 2002
Posts: 209
eNinja
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eNinja Dec 10, 6:29am - #2549 

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2002 Toyota Celica

Joined: Sep 2002
Posts: 209
san antonio, texas
i took out my cat and resonator and straight piped it to my TRD exhaust. it sounded like SHIT. DONT DO IT! youll be driving a rice burner. toyota is better than that! im happy to say i put the cat and resonator both back and sounds good again.
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Posts: 4
qualtgts
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qualtgts Dec 10, 5:05pm - #2550 
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Joined: Dec 2002
Posts: 4
wichita
thanks for the input. I wouldnt remove my resonators just the cat.

**DONOTDELETE**
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Anonymous Dec 10, 6:08pm - #2551 
Unregistered



Get the AMSS DP, it gives you gains with i/e/h! So the butt dyno says!!!!
Joined: Oct 2002
Posts: 68
MichaelH
Member
MichaelH Dec 11, 7:44pm - #2552 
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Joined: Oct 2002
Posts: 68
Charlotte, NC
I've been talking with someone at Random Technologies and he told me he could make a hi-flo cat for the GTS. I gotta send them specs for the deminsions and flange so they can give me a price. If your lookin for aftermarket cat instead of gutting it, shoot me an email and i'll let you know what they quote me. Perhaps some people might be interested in a group buy?

If you're not living on the edge, you're taking up too much damn space!
2000 Black GTS
AEM CAI
HKS Hi-Power Cat-back
AEM Strut Tower Brace
AEM Tru-Power Pulley
TRD Quick Shift Kit
Momo Gear Knob
Euro Clear Side Markers
Carbon Fiber Taillights
Carbon Fiber Dash Insert
Konig Absolute Opal 18s
Nitto NT 555 225/35ZR-18s
TRD Performance Springs
Coming soon...
TRD LSD
TRD Header & Downpipe
Hi-Flo Cat
Head Port n Polish
Apex-i SAFC
Body Kit

**DONOTDELETE**
Unregistered
Anonymous Dec 16, 10:41am - #2553 
Unregistered



Just goto muffler shop and have them install high flow cat..
You won't get much gain out of from CAT...
But it's better to have less restriction..
AMSS DP would be simple way to go..
Gives you the whole pipe from header to axel..
Which is all bolt on...
If you want the straight pipe... just unbolt the AMSS DP... it's freaking loud and gains a lot alot of power..
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