Quote Originally Posted by 87 Turbo II
Loosen the area where the header meets the cat just a little, the exhaust leaks before the cat are going to let out a lot of harmful gasses before they get to the sensor at the tip. Also, drive it REALLY REALLY HARD before the test and have a nearly empty gas tank. All of these are tricks us Rx-7 guys do cause 7s suck at emissions.
lmao!! thats pretty sneaky.