Hey about a month or two ago I installed a Flowmaster 40 on my truck, got an 04 prerunner V6 and it sounds awesome but I thought I noticed a slight bit of power loss and lost a bit of mpg. so I did some searching on this site and it confirmed what I thought the flowmaster decreased performance! so that was pretty lame. And so I looked up some more on here and found everyone say good things about the Dynomax superturbo for the best performance gains. but I tried looking to buy it online and It seems different everywhere I look. I found this at Autozone, http://www.autozone.com/autozone/cat...questid=253790
is this what everyone is talking about and is it right for my truck?
for the flowmaster I got some extra pieces of pipe and welded it to my stock pipes and Ill weld this one myself also.