As most of us do know the feat of emanage and its affordable, how about Fcon SZ? Appearently its also a piggyback system frm HKS and frm the feat wise, its about the same as emanage.
anyone stick the bitumen on the firewall, at the engine side before?what is the effect for sound proofing ?is it noticable?bcoz at 1st i tot wanna open up the dash and put bitumen+superlon...but dare not to kacau the...