Austin Gp1

[Darren jones]

Hi all anyone had a Austin GP1 end can or straight thro would like feed back on it also a video would be great.Thanks

 

[MacRR]

I've got a GP1 end can fitted, looks superb, beautifully made, not much louder than std with the baffle in but as its not BS stamped strictly speaking its not road legal if that bothers you