Free flow muffler bad for Auto car?

[Macrotrust]

can anyone confirm that installing free flow muffler is bad for low end for auto given stock condition.? any experience to share. just wan the zoom zzoom sound.

[ER-3682]

can anyone confirm that installing free flow muffler is bad for low end for auto given stock condition.? any experience to share. just wan the zoom zzoom sound.

Comfirmed less low end torque,i using HKS Hi-power exhausts on my 370z,not so good pick up,but after 4000rpm,power is better.

[Mecontle]

for puny engine <2L use dick diameter size piping for best effect, those 1.5vios with big vagina size pipe confirm no pickup one, only squeaks out petrol

[Macrotrust]

will unichip solve the low end problem if tune any idea.

[Ev0x]

from what i know is unichip can improve the low end..

Edited May 22, 2011 by Ev0x