3" straight pipe

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07-13-2011, 10:25 AM

#11

Triton_tom

Melvin _Johnson

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I was planning on going 3" for a deeper sound I dont really want the cackle of 2.5". But if I'm gonna lose some torque I might just leave it stock. Thank you all for the responses!

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07-14-2011, 07:19 AM

#12

'08f150stx

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Quote:

Originally Posted by Droop408

So what size piping does my 06 4.6 2wd have then? 2.25??
What do people usually go up to??? 2.5????
Sorry for the noob question.

2.5"....I have one too

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07-14-2011, 07:24 AM

#13

'08f150stx

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Quote:

Originally Posted by Triton_tom

I was planning on going 3" for a deeper sound I dont really want the cackle of 2.5". But if I'm gonna lose some torque I might just leave it stock. Thank you all for the responses!

You can go 2.5 and enjoy the sound of your new exhaust. I asked my mechanic what the difference would be with si/so, si/do. He said no change in sound. I have the warmup cackle too. I just keep my foot out of it when the engine (4.6) is cold.

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07-14-2011, 07:52 AM

#14

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Quote:

Originally Posted by Triton_tom

Hey guys! I'm new here and was curious about straight piping my 08. Will it drone in the cab and will I hurt anything?

It will hurt your finances in the long run, as it's against federal law to remove the cats. You cannot sell the truck without them. Anyone that buys the truck from you can come back at you and sue. It's a $30K fine when you get caught.