Flowmaster American Thunder Qs
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Flowmaster American Thunder Qs
I ordered a Flowmaster American Thunder cat-back system for my 04 FX4. For those of you that have it, how do you like it? How does it sound? I was reading up on it in the forums and I liked what I read. Also, can I install it myself using the clamps provided, or is it recommended to have it professionally installed (welded)? thanks.
