RoninJames
New Member
So I emailed a guy selling GPR exhausts for the rc390 on ebay in italy asking if there was any dyno testing results i could see and he sent me this.
i dont speak italian but you can see the claims.
what do you guys think?
http://www.gpr.it/gpr//prodotti/1302/pdf_banco_prova_1302_713317331.pdf
i dont speak italian but you can see the claims.
what do you guys think?
http://www.gpr.it/gpr//prodotti/1302/pdf_banco_prova_1302_713317331.pdf