RS Fabrications & Vecchio Engineering Mini Cooper S Permormance Exhaust System Dyno Run

filed in News on Nov.18, 2009

Mrs V’s Cooper S was back on the Btec Dyno for some power runs with the latest version of the performance exhaust developed with Vecchio Engineering.

This final version in the Research & Development of the Mini Cooper S cat back system, has resulted in a bore size increase from 2.25″ on the centre section to 2.5″ and and increase from 1.75″ to 2.0″ on the twin silencer setup at the rear.

“Much to Mrs V’s dismay, we opted for the twin 3″ rolled in, slash cut, over her much beloved single oval slash cut! After seeing the result she agreed that maybe, just maybe they tipped the scale in sporty look.” said Russell

“Oval slash cut or 3″ Twin, either setup still look a whole lot better that those piddly little ’pea shooter’ things that come as standard on the Cooper S model.” stated Sarah V.

On the Dyno at Btec Racing the story unfolded.

“With this second phase system we saw gains in BHP and Torque again throughout the rev range. Not as dynamic as our phase 1 system over standard, but an increase all the same” stated Russell “we picked up on average 2-3 HP at comparable RPM from the Phase 1 Exhaust and another 2-3 ftlb of torque. Peak BHP of 195.5 was achieved, which was slightly down on the previous run with the phase 1, and further analysis of the power curve highlighted a spike in the Peak BHP at 6,697 RPM on the Phase 1 system. Another observation, highlighted how this system had smoothed out the dips in the power curve that were present on the Phase 1 and overall the gains made on this system are very encouraging.”

Leo Vecchio said “This is exactly what we wanted for Vecchio Engineering, and Shane & Russell have produced a Quality Performance System for the Cooper S along with the numbers to back it up. I went out with Russell for a test run up ‘Torque Hill’ and that was an eye opener to say the least!! The red line comes up pretty quick, and how he ever gets Mrs V to loan him her Mini, I shall never know!!!”