is the mazdaspeed performance exhuast 3"inchs?

[gsrtype1]

i wentr to ripleys and they said my speed3 has stock 2'1/2 inch "manderal bend" pipeing (expensive) witrh 2 cats and 3 resiantors but no real mufflers. They said they have never seen that on a stock car. The guy said he would leave is alone. So to get a beneifit is the mazdaspeed performance exhuats 3:inches manderal bend, i know cpe 's version is. Appreciate some feed back.(friday) (drive)

 

[whitey4311]

I like my stock exhaust and dont intend to mess with it so I am with you on this one.

 

[RODSCALIP5]

MS exhaust is 3 in. Cat-Back. I read this from C-16 Mag, they tested the MS MS3. But with all the delays on the exhaust this could change.