Backbox delete done, and 3.5” twin Akrapovic quad conversion installed - sounds great on startup and pops and bangs on the overrun in 1st, 2nd and 3rd 
Backbox delete done, and 3.5” twin Akrapovic quad conversion installed
- Thread starter Z4_ATB
- Start date
HU51A_FU said:Love the tips, decent job mate, definitely get a vid up
Are the tips a tight squeeze to get in the recess say on a e86 rear bumper cut out?
They need some final adjustment to match each other perfectly but they -do- fit in the original cut out just! It helps having the outer shield/cover too as the stainless gets very hot but the outer carbon remains cold so the bumper won’t melt
I’ll get a vid up ASAP! Just had these arrive so will get these fitted soon
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like the quad conversion 
but fake tips although they look ok from an aesthetic point of view are not for me sorry
but fake tips although they look ok from an aesthetic point of view are not for me sorry