FLOWMASTER FORCE II CAT-BACK EXHAUST SYSTEM on 5.3

[E-Force]

All concerned: Most all posts I see regarding exhaust systems revolve around the sound. not important to me. I want to know which exhausts help performance. any advice much appreciated.

 

[Congtoid]

Let me check my receipt when i fly back home this weekend

Hey Apollo13, don't leave us hanging! What part # did you install?