Exhaust whistle

[Off-road dipper]

For some reason my muffler sounds like it has a rattle and a whistle only when I accelerate

 

[mistaake]

For some reason my muffler sounds like it has a rattle and a whistle only when I accelerate

Remove it and straight pipe it?

 

[MadOgre]

Just put a Turbo badge on the fenders

 

[Off-road dipper]

Just put a Turbo badge on the fenders

HAHAHAHAHA redneck turbo kit

 

[silverscottsk10]

Because Race truck
But probably has a crack in a weld on top, scrap the muffler and go glasspack