Corsa-B.uk - Vauxhall, Opel and Holden Corsa B Owners Club

I currently have a 4" universal backbox fitted to my corsa and been offered a powerflow backbox for £30 just wondering are they any good

yeah normally really good, i got a 150 pound powerflow for mine for nothing off my uncles mate cause it was too loud i looked them up your averaging at 4.4bhp upgrade with a cat, take cat off youl get more bhp mate

yeah an excellent exhaust

Cheers for that got the exhaust on my car betta than the universal like not decatin it like