If the manipulation to the level of internal noise and be negatively affected at low speed by the BPU ™ mods?
Maneuverability is not interested. Level of internal interference depends on the exhaust system of your choice. Some will be much stronger, some actually make it quieter. But most are just a little “louder than actions. DBS, but adds, with a sweet exhaust note, you combine a lot, so really worth. And within the Supra is very quiet in every case,on the street it is very comfortable. Regarding the low-power end of the pipe may be very reducing turbo lag. So the bottom end power and response is much improved over stock.