Sorjae

hey fellow rx-7 enthusiast i have a TT which just had a new motor put in....the motor was street ported...i installed hks downpipe and carbon fiber exhaust....when i run this car i get alot of back firing...is this normal?? or is there anything i can do to reduce the amount of back fire? thank you very much for your time and help....!!!

oakridgerx7

it is normal!

$-£fînî-$

it's normal to a rotary engine with open exhaust do that.so go ahead . backfiring looks badass to , i love it
good lock ... :-)

Sorjae

thanks guys!! hahah only looks bad *** when the pigs are not on your tail.....=)

birdy01

yea my car back fires with a Apexi GT catback only with stock motor and i live it too