Exhaust Question

[txbass06]

I'm finally getting ready to start redoing my exhaust on the truck but have a couple of questions. I'm going to be running the PaceSetter long tubes, magnaflow cats and dynomax bullets. And that's about all I know for sure. Original plan was LT's to a y-pipe, cat, cutout, then single muffler dumped. Then I had a buddy suggest running an x-pipe and two mufflers, saying there wasn't a point in running headers into one muffler.
Needless to say, I'm a little torn as what to do. Any suggestions?

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[pavester]

do whatever you feel like you want to do.

i would do a y pipe into a single dynomax bullet based on your mods.

i mean it wont hurt to run a xpipe and dual 2.5" piping into your choice of mufflers.

 

[Bigtman07]

I had the same issue and thoughts. But found out that I couldn't afford the LT's so i left it stock and just y pipe to tips. If you are going to run LT's with a 4x4 Then I'm not sure an x will benefit. You could always do a dual in and out muffler.

 

[txbass06]

Thanks guys. I think I'm gonna stick to my original plan of LT's to a Y, single hi flow cat, cutout, then SI/SO muffler unless I change my mind and want to run the exhaust out from under the bed.
Or I could get fancy and French in a exhaust exit into the side of my bed before the tire lol


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[Bigtman07]

Ummmmm yea sure why not. lol I say duals. You heard mine and that is straight without LT's I can only imagine what LT's would sound like.

 

[txbass06]

Sorry about that. I am NOT cutting a hole in my bed for anything. Especially for exhaust. I've got friends that think they're funny. Is a mans phone not safe anymore lol

I loved the way yours sounds but it's a little too loud for me at the moment. Still gotta haul the kiddo around lol. Once he gets a little older, or I get a 4th gen as a dd, I'll more then likely run straights like you did


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[Bigtman07]

Yea I can understand your point. Loud outside and semi quiet inside. Either way you go LT's with high flow cats will make it sound amazing!!!

 

[txbass06]

That's what I'm hoping for
Think full 3" is too much?


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[KGBIGCOUNTRY]

I think you will be loosing more with 3 all the way back but could be wrong.

 

[Bigtman07]

Depends on if you are doing duals or not. a single would be fine with 3 I think that was factory. Dual need to be stepped down to 2 or 2 1/2

 

[txbass06]

I'm running a single for now
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[KGBIGCOUNTRY]

^Correct Tony I was still reading it as there might be a chance of the headers ran then an x pipe put in. Single 3 would work dual like said above 2.5 or even 2.25.

 

[txbass06]

So here's the plan
LT's
PaceSetter Performance 70-2213 - PaceSetter QuickTrip Long Tube Headers - Overview - SummitRacing.com
into a Y-pipe
PaceSetter Performance 82-1183 - PaceSetter Off-Road Y-Pipes - Overview - SummitRacing.com
Single cat
MagnaFlow 94039 - MagnaFlow Universal Catalytic Converters - Overview - SummitRacing.com
Single dumped bullet
Dynomax Performance 24219 - Dynomax Race Bullet Mufflers - Overview - SummitRacing.com

Question about the cat. Does the case length matter all that much? I don't want to have CEL's after all this.
And my cutout is 2.5". Should I reduce it at the cutout and leave it 2.5" back or just leave it out and sell it?

 

[Bigtman07]

No idea on the CAT I still have the stock one for now.

 

[KGBIGCOUNTRY]

You could prob run whatever cat you would like then just need a non fouler if a code does show up.

 

[pavester]

full 3" was too much for my truck with the cam,longtubes,intake etc. kept the first half 3" and added 2.5" mufflers and the backpressure came back. now it feels amazing.

 

[txbass06]

I completely forgot about the fact that my cutout is only 2.5" lol. So it'll be dropped down to 2.5" some place. More than likely between it and the cat


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