hi can i use standerd exhaust clamps or is there a special type of clamp.its for the sva test

i used a motorbike clamp as they are flat like a jubilee clip and in stainless steel.

That sounds similar to mine - i think it is made by Mikalor. Mac#1 supplied mine. Your best not using std exhaust clamps cos it will cause you a headache getting through the projections part of the test.