Originally Posted by
rageworks
If the pipes have been ROAR and EFRA approved.
What are their Homologated approval numbers?
Are those numbers stamped on the pipes?
It was posted that a v-spec got almost two minutes
runtime using a Cobra pipe. That engine was
running a little rich, wasn't it?
Yes they are approved whens the last time you were ever checked anyway ya they helped out with mileage ,thanks for he interest ,try one .