Thread: Best Catted Downpipe for B58
View Single Post
      07-13-2023, 11:50 AM   #2
alohasurftoad
Major General
3952
Rep
5,090
Posts

Drives: 440i gran coupe w/mppsk
Join Date: Apr 2015
Location: hawaii

iTrader: (1)
the two best catted downpipes are fabspeed and active autowerke, but you will ruin any catalyst with excessive pops/burbles/gunshots.

go catless or run normal pop/burbles
Appreciate 1
visionaut1720.50
Quote