6.0 straight pipe do-over - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 38 Old 05-20-2012, 06:55 PM Thread Starter
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6.0 straight pipe do-over

I listened to all you guys who love the sound of a straight piped 6.0 and had the itch to delete the muffler. So I did. I have to say, it rumbled great until the hair dryer turned on. Out for a drive...resonates a little about 2000rpm, no big deal, it sounds kinda cool. BUT at 2600rpm it sounds like a jack@$$ playing a trumpet...badly! Do you guys with straight pipes have this noise, or is it combining factors. Let me know if this is fixable, or I'm taking the pipe out and welding the muffler back. BTW, 4" turbo back.

2006 F350 CCLB KR FX4

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post #2 of 38 Old 05-20-2012, 07:12 PM
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Lol. I just installed my 4" straight and was thinking the same thing. Its sounds great until the cherry bomb cackle at 3 grand.

Grant
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post #3 of 38 Old 05-20-2012, 07:15 PM
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Don't know what to tell you. I love the sound of my 4" turbo back. You running a stock tune? Maybe a more aggressive tune would help.

Got questions about your 6.0?
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post #4 of 38 Old 05-20-2012, 07:19 PM Thread Starter
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Originally Posted by PGreenSVT View Post
Don't know what to tell you. I love the sound of my 4" turbo back. You running a stock tune? Maybe a more aggressive tune would help.
I'm running the SRL.

2006 F350 CCLB KR FX4

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post #5 of 38 Old 05-20-2012, 08:48 PM
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I'm running looney. I love the drone not the crackle. Stock it doesn't have that. Must be a timing related sound.

Grant
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post #6 of 38 Old 05-21-2012, 09:31 AM Thread Starter
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Sure takes less time to cut it off than to weld it back on!

2006 F350 CCLB KR FX4

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post #7 of 38 Old 05-21-2012, 04:00 PM
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man I love my 4" straight pipe, how could it sound more badass at 2200rpm and above? it's all V8 throat

you're still going to get the hair drier sound with a muffler, just not as loud.

I've run a few different setups. Stock turbo with and without muffler, 03 turbo with and without muffler. I still like the 06 turbo and straight pipe the best.

-Matt

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post #8 of 38 Old 05-21-2012, 04:30 PM
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Do you guys have single (thin) walled tips installed?


I have noticed my truck (thin material tip) has a more annoying tinging/crackle compared to other local ORG members with either a thicker walled tip or no tip at all..


If everyone could EDIT their threads to see the difference that would be great


I still LOVE my straight piped 6oh

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post #9 of 38 Old 05-21-2012, 04:37 PM
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I'm with ya the sound of the straight pipe!!! mine is out of stacks and sounds even better with the rear window open! Even stock I liked it an with Vivian's looney and looney track it's even Better


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post #10 of 38 Old 05-21-2012, 05:08 PM
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The more I hear mine the more I seem to like it. I find myself windows down no A/C in90* heat to listen to that sound. I have a home made 5" tip cut from a international stack.

Grant
05 f350 SRW SCLB 240,000miles
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ARP Studs
SCT x3 (custom tunes by Vivian)
4" MBRP TB straight w/ 5" tip
Airdog 2 w/ factory reg blocked
Hellman sump
Ccv reroute
Zoodad mod
Fleetgaurd elc
coolant filter
high idle mod
egt, fuel press, oil and coolant temp in quad pod
08+ PF/PT Tow mirrors (all using factory switches) and tail lights
Quad fogs w/ 4600k 35w HID's
4600k 55w HID headlights
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