Originally Posted by jaygsi

These are a load rubbish, never seen that before.

Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition (8.1.1 (a))

Exhaust catalytic converter obviously modified (8.2.1.1 (a))

Just fit a Japspeed sports cat, 200 cell will pass easy, 100cell needs warming up. But even a 3" should match up, pipe might be abit thinner bolts should line up. My mate had a 2.25" back box fitted to a 2.5 standard centre pipe on his 1994 WRX, from previous owner.

Originally Posted by Marky1968

Just to confirm what you are saying are a load of rubbish with regards to failure:

Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition (8.1.1 (a))

Exhaust catalytic converter obviously modified (8.2.1.1 (a))

These comments you are saying?

Originally Posted by RobsyUK

Take the air filter out of the box for the test. It'll bring it down