i used dynamat everywhere it could be seen (bottom of the trunklid, etc. and then some cheap sheet sound deadener i bought online for under the carpets, rear seat, inside doors, etc.

1999 Silver Frost SVT #609 of 2760 Quaife, lightened SVT Flywheel, SPEC stage II clutch, removed resonator, k&n drop in - various other goodies too.