Quote:
Originally Posted by roy roberts
What Is The Diameter Size Of The Exhaust System? Is The 40 Series The Quiet Exhaust Or The Loud Exhaust?
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The first section is 3" then after the h pipe it goes to 2.5". The 40 series is slightly louder than the deltaflow and quieter than the super 40's. Its not super loud if thats what you're after.