Compression Ignition Addict
Join Date: Sep 2012
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I guess I can't comment directly on your question, but I'm curious what people say.
I have a Flo Pro 4" turbo back exhaust on my truck, and while it's not crazy loud, I'm not a fan of the turbine sound, especially while I'm driving. I can't hear it in the cab except when I'm driving down a road lined with buildings, then it's very apparent how loud that sound is. A friend of mine says it sounds like an F-16 driving down main street when I drive by.
I'm probably going to change mine out for a 5", and put an FTE 30" resonator/muffler on it. My goal isn't really to make it quieter, it's to minimize the turbine sound. I'm hoping the 5" will give me a little deeper sound, and the resonator/muffler will keep the turbine sound down without killing all the deep sound of the engine.
Also, my 4" is stainless, I'll probably get aluminized for my next one. The stainless lasts longer, but the aluminized doesn't rust like the stainless does and stays bright. Or so I've been told. My stainless pipe has lots of rust spots on it, and it's only about 6 months old.