With my HKS and testpipe, whenever I lift off at 5k.
So with FI cars, it's more common because there is more fuel to accommodate for the increase in air, so when backfire does occur, there's more fuel that is unburn than stock which causes the more violent and pretty backfire?

 

i like the backfire especially if theres fire

 

lol is it illegal to backfire or anything like that? I mean will cops know your modded and pull you over for it?

 

Definitely not illegal to backfire..

 

really??? even in cali possibly? Sweet im gunna go popin and flames shootin out everywhere

 

I would say that you would get a fix it ticket for poppin flames out the exhaust lol

 

flame kits are illegal/stupid, i believe.... i mean think about if you were at a gas station.... but misfire is ok i think it usually happens when u pushin the car hard a cop shouldnt see you misfire because you shouldnt be pushing the car that hard around a cop or you would probably get a speeding or reckless driving ticket, so just watch your back and dont let the cops see you misfire

 

Well I don't know about flames..lol

But if backfiring is illegal.. then srt-4's are tickets on wheels.

 

when I had my Evo it used to give a small backfire and shoot a flame between shift when accelerating. It looked cool at night. I had full 3" exhaust and test pipe on that car.
I agree with what Saki GT stated above. That is the usual cause for the backfire/flame

 

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