i have 3" ory how much flow will i lose if i buy a 2.5" hooker aerochamber muffler or will i lose power? thanks

if it helps i plan to radix my truck down the road

 

ttt........

 

i was told for daily street driving that 2.5 was better, this way you do not loose a lot of usable torque on the street. If your racing it then keep the 3'.

Just my 2 cents and what I was told from a few exhaust builders.