[08Mustang]

Will a tune help out a catback exhaust??...i know it's not needed

 

[Wmcgrattan]

Will a tune help out a catback exhaust??...i know it's not needed

For sure !

 

[Soccerluvr4]

If its duals then yea it should help it out a little because you will have better airflow... Not so sure if it will do much with single exhaust.

 

[08Mustang]

If its duals then yea it should help it out a little because you will have better airflow... Not so sure if it will do much with single exhaust.

Yeah I've got pypes mid-muffler catback

 

[1998]

If its duals then yea it should help it out a little because you will have better airflow... Not so sure if it will do much with single exhaust.

It did something with my single axle back. The I threw in a CAI and it sounds mean

 

[maples. j]

Muffler delete and straight pipe that's all you need. Lol well I like it any way

 

[Adogg]

You should open up the exhaust more before the tune high flow cats and h pipe

 

[08Mustang]

You should open up the exhaust more before the tune high flow cats and h pipe

I've got the most free flowing catback availible for the 4.0, short of being straight piped

 

[Zhim]

X-pipe mod ftw. I find the y-pipe into y-pipe ridiculous.

 

[08Mustang]

X-pipe mod ftw. I find the y-pipe into y-pipe ridiculous.

Amen!