Wanted a Decent dyno shop in Caerphilly/Newport area

Hi all. I'm looking for a decent dyno shop in the Newport/Caerphilly area if anyone knows of one. The previous owner of my pointy had an m4 exhaust fitted, however as Valleyboy, DeanoN and Lemmings999 will testify it has a problem with massive backfires . So im not sure If this is down to the exhaust being fitted without the jetting be sorted, or if theres another problem. (it also tends to stall occassionaly) which happened a few times yesterday on the Mid Wales run.

Cheers.

I think you were lucky your rear end wasnt pointed at the cafe window... with that backfire I think the glass would have gone through... plus your exhaust made a loud noise as well as putting out a fecking big flame as you stalled it :P

Originally Posted by valleyboy

I think you were lucky your rear end wasnt pointed at the cafe window... with that backfire I think the glass would have gone through... plus your exhaust made a loud noise as well as putting out a fecking big flame as you stalled it :P

Yeah I know this is why i think it needs to be dynoed. I gorra a feeling the jetting is out on it.