Steven Zagaris
Member
I have a Magna Flow exhaust on my truck and it still makes that low whistle noise?! Did you ever figure it out yet? It is driving me crazy!!!!!!!!!!!!! It didnt make the noise until after i had my engine overhauled. And it only happens when i accelerate, IT DRIVES ME NUTS!!!!!!!!!!!!!!!!!!!!!!!! AHHHHHHHHHHHH!!!!!!!!!!!!!!!