02b0wti3

iTrader: (1)

Guys I'm getting a good deal on some longtubes and a Y pipe this weekend from a good friend of mine. My question is, since the Y is 3'' should I go ahead and get my tailpipes 3" for a full 3" exhaust? The tailpipes aren't long at all as I have a 14" si/do magnaflow with the pipes coming out right in front of the rear tire. I dont want it extremely loud mainly just a really good solid tone, Im putting in an electronic cutout as well for when I want to wake up the neighborhood Any input is appreciated, thanks guys. Also, if it help mods in sig.

LSU627

Is it a 5.3L?

02b0wti3

iTrader: (1)

Yes it is a 5.3

Blackpanther99

iTrader: (8)

Yes, go 3" all the way while you are at it. Once you start putting in bigger mods (if you ever do) you will need to let her breathe.

batboy

iTrader: (6)

2.5" tailpipes are no problem. I put down way more with my LS1 GTO and run 2.5" tailpipes.

dmelvin

iTrader: (8)

2.5 is more than enough.

Low97tahoE

if you are talking about going from a 3" Y to 2.5" duals, that makes no sense. run dual 2.5 straight from the collectors without a Y but with either an X or H. Or run single 3" which is more than enough

LSU627

If its a NNBS 5.3L, I would go with 3".

Low97tahoE

even a 6.0 doesnt need dual 3". maybe 400rwhp+ then you might see gains from dual 3". anything less than that, you just lose exhaust velocity so no gains