4" Turbo back or 5" cat back

[smokersteve]

Both are MBRP.

Crew cab, Long bed.

Im wondering what would do better.

wit hthe 5" cat back the gas will flow faster in the stock pipe but not as easy flow compaired to a 4" madrel.

Then the 4" T-back. Im leanin twards 4" all the way

[Hivolts]

I just did the 4" turbo back straight pipe. That's all you need unless you get 600+hp. At idle it whistles like a jet engine but at 2000+ rpm's it sounds very deep and will turn the heads of everyone, even motorcylce gangs!

[ULM2008]

4" TB. Let the truck breathe sum

[Abrannan19]

4" tb is sufficient for anything you want to do with the truck

[Tow Line]

My buddy did a 4inch turbo back and he says that the check engine light stays on now. If he re-sets it the light will stay off for only a couple before coming back on. Does anyone else have this problem?

[npccpartsman]

Originally Posted by Tow Line

My buddy did a 4inch turbo back and he says that the check engine light stays on now. If he re-sets it the light will stay off for only a couple before coming back on. Does anyone else have this problem?

There's nothing from the turbo back that will cause a check engine light. Your buddy has other problems somewhere.

[Goose350]

Turbo back all the way!

[smokersteve]

Thats what ive been feeling. Thank you to all

[BIGBILL105 45]

Turbo back!!