I would say muffler just because it's more noticable. Probably not as much HP increase but personally I would choose the muffler.
Muffler? Why are ya'll telling this person to get a muffler? Is it a cat-back, or just a muffler? If it's just a muffler, then get an SRI please. But, if you're talking about a cat-back exhaust system, then I would have to say get the exhaust. You can do the whole exhaust at the same time too. That would be ideal.
I'm talking about the difference between a muffler and a cat-back exhaust system. What are you talking about?
I would go with the intake first just bcuz it is not easily seen and wont draw any unwanted attention from pigs...are you talking about a MUFFLER or an EXHAUST SYSTEM? there is a big difference between the 2
CAI does work for CVT injen does as well as the AEM is you buy the relocater peice that the injen has
CAI does work for CVT injen does as well as the AEM is you buy the relocater peice that the injen has[/quote:31qekqdy] roger that! works with both
Is it auto or manny? Whenever I tried to order the CAI, I have an auto 03 ES, it said that the CAI would not fit because my car is automatic, and the only option I had was an SRI.....