running without a catalytic converter???

[90celica]

how would my 1990 celica gts run if replaced the cat with a straight pipe???

[Deep]

Not much of a difference, except the toxic gases if its working properly now.

[Kidane]

You'd create about 500% more polution than you do now with a 1% gain. Not worth it.

[90celica]

ok thanks, i will keep it on

[Blane]

Ohh and not to mention you start to smell like a$$.