I want to Modify my Morley

[Headbanger]

Hi, I really like the Cliff Burton wah tone. I have a Morley Dual Bass Wah. What pedal sound like that "tiger" sound ? BPower wah boost or fuzz ?
http://www.youtube.com/watch?v=R73sZ8dFzkY#t=2m52s

Do you think if a luthier modify mi pedal, it will sound like that ?

[Hutzbordello]

http://www.talkbass.com/forum/member.php?u=19468

talk to stu, he talked to me about it this a while ago. i guess he works on pedals.