If you think your little paper craft project of a scale house has earned you a pat on the back, this not-so-little project by Epson might be more akin to a slap in...
my external wastegate down pipe around 1 feet long.. the sound not really nice la.. a bit like like rotary sound peekssss like when air dumping.
how long u ppl run? what kind of tone u get with the pipe distance...