many single scoll owner upgrade using after market like tomei extractor or SYMS extractor or xxxx brand but no more bubble sound liaw!
any one using after market extractor but still got strong bubble...
hey guys & master's of rotary engines...
Just wanna know like if its all right or i should not try it at all....
I'm planning on putting a 13b into a datsun 510 SSS (year of make 1971)