How hard would it be to install a y-pipe on a 01 max. Also, will a y pipe scew with the ecu setting the engine service light off? What gains can you expect from the y pipe on the 01 auto max. Did anyone have a exhaust shop install it? How much?

 

I had a cattman y pipe installed on my max for $45. It will not turn on the CEL. You should reset the ECU though after it's installed though.