will this back box be ok on a 1.4 furio and do u think it will sound ok

[bridgey1234]

will this back box be ok on a 1.4 furio and do u think it will sound ok
heres the link im planing on putting a 421 manifold and decat and the this back box

http://www.ebay.co.uk/itm/CITROEN-SAXO-PEUGEOT-106-EXHAUST-SILENCIEUX-GROUP-N-/180712799500?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item2a13527d0c#ht_4196wt_932

thanks