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THANKS FOR READING THE MAIL
SHOULD I GET MY EXHAUST PIPING INCREASED FROM 1.75 INCHES TO 3.25 WILL IT HELP IN INCREASING POWER, SOUND ETC
THANK YOU HOPE THIS MSG REACHES YOU IN GOOD HEALTH
CAR
CIVIC 1995
ENGINE D17Z1
GEAR S20

if you did, you would have to reprogram the computer to accept that or it would end up running worse

how do i get it reprogrammed i mean how would i know that its reprogrammed ?