Bro,
now i used satria 1.6m with 2.0TB and straight piping(1.6'' ). The muffler is straight flow and the sound quit loud. I think to change it to S flow muffler with standart piping. wat ur opinion.?
one more thing, wat the different between (power) 4-2-1 with 4-1 extractor. it is ok if i used...