Hi fonfon,
It's great to hear you are happy with your quads, we are really happy with the way they change the look of the car, and they are proving to be really popular.
I thought I would just reply regarding your comments on the fact that the two outside pipes are showing signs of taking most of the exhaust gases out of the system rather than it being equal across all four outlets.
We noted this during our development and did consider ways of balancing the gas outlet, but we decided that it was best not to overcomplicate the system and potentially introduce issues with restrictions and strange noises (like whistles etc).
The reason you are noticing this is based on the fact that exhaust gases will always take the route of least resistance, and due to the way the gas flows through the quad conversion, it just so happens that it results in two outside outlets carrying most of the exit gases.
We did notice that when the revs rise, this becomes less apparent, and we felt that the important criteria was really to get the ‘left to right’ balance correct as this would be really noticeable. Give it time, as your other outlets will blacken. We have RCZ's here that have had the conversion on for some months now and look equally dirty, although that may be due to the fact that they don't get cleaned that often.......
We set out to offer a fully working quad outlet that gave the customer smoke out of both sides (as that was what most people wanted) at a quality and price that would be acceptable through our network of Dealers.
I hope you continue to enjoy your RCZ, and the quad conversion.
Regards,
Richard.