Exhaust drone question: AE w/HFC vs Dinan?
I have reviewed a few posts on this topic, but from owners or those with first hand observations, a specific question:
What's louder and what has more 2250 rpm drone?
2008 e90 335xi, SGM w/ PP, CW, CA, Sport. Mods: PROcede v2.5, Helix I/C, ER c.p., Forge DVs, BMS OCC, CP-e catless, Dinan axle-back, Quaife, KW V3 w Swift springs, Dinan fixed camber plates, OEM 216's, backup camera. Of special interest -- PWM Meth, StopTech BBK, RB turbos (gasp).