illestFX35
Member
- Car
- 2010 FX35 RWD
I wanted to know if there is a big difference on my exhaust sound with the HFC with my Invidia Gemini CBE. I know the test pipes will make a difference but I will get rattles. I noticed that the exhaust kind of muffles out when i hit about 4250 rpm. Will the HFC make the car more loud past 4k rpm? Thanks!
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