STI II Exhaust Upgrade
 

Hi Guys,

I am thinking of getting a full decat system from Scoobysport for my '95 STI II.
I was wondering if I have to replace the uppipe as well and what is the benefit if I do so.
Is there anything else (apart from the MOT failure) that I should be aware?

Thank you in advance!

Noise levels, and resonating (rythmic droning) at motorway/cruising speeds.

I have a Magnex full decat on my Sti v3, quiet (94 dBa) but it drones ay 70mph.

The stock system is very refined in comparison!
911

Hi Guys

One of the main (road car) benefits of the scoobysport system is that it is harmonically tuned to reduce droning at cruise, and then burst into life when you hit the gas.

http://www.scoobysport.com/images/exhaust/flow.gif

Cheers
Simon