Today we had the Group 1 Rover SD1 on the rolling road ahead of the Gerry Marshall Trophy at Goodwood’s 74th Members Meeting. We tested it with and without silencers. Without silencers the car is making an extra 5bhp and a lot more noise.
Today we had the Group 1 Rover SD1 on the rolling road ahead of the Gerry Marshall Trophy at Goodwood’s 74th Members Meeting. We tested it with and without silencers. Without silencers the car is making an extra 5bhp and a lot more noise.