RE: if i mod the pipe will it work?
you can modify your pipe.....just think though more AIR getting out more fuel needed....modifing the stinger will feel real powerfull on the take off but will also cause your engine to get a bit hotter,,,,richen up if you intend to modify the out let...
short pipe more top speed ,,,long pipe more top speed...
try a stock tmaxx pipe or something small like that ...