How much space do you recommend/need between the diffuser and the tip? I have an Eissenman exhaust and the tip are not removable so am worried about the distance between the tips and diffuser as far as spacing goes?
'15 F80 M3 sedan (Sapphire Black Mettalic) - Mine #1
'14 Cayman S (Agate Gray) - Mine #2
'13 Harley Davidson Dyna Custom - born to ride