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Old 02-22-2008, 06:43 AM
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exhaust question

Alright fellas..I have a question..I have a 04 6.0 that is strait piped (not the famous 03 scream tho, i wish) with cat-delete and I just have the factory 3.5" pipe....If I get a 4" system with or without a muffler what difference will I be able to notice?? sound quality and performance wise? What do yall think?? Is it really worth the money??
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Old 02-22-2008, 06:52 AM
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Lower EGT's, deeper tone, and a little more power it should be a noticeable diff and if your planing on running any High HP tunes it would be a good idea the 4 inch will lower exhaust temps 200 degree's or more.
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Old 02-22-2008, 06:58 AM
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I agree.....
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Old 02-22-2008, 07:06 AM
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whats would be louder on my 04 6.0 a turboback 4" straight pipe or turbo 5" pipe with free flow muffler no cat
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Old 02-22-2008, 07:07 AM
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Why not 5" straight piped?
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Old 02-22-2008, 07:15 AM
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you tell me haha i want it to be as loud as possible and whistle like theres no tomorrow is a 5" straight pipe any louder then a 4" straight pipe cuz if not i wont pay the extra money
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Old 02-22-2008, 07:54 AM
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I`m told a 5" with a 6" tip is awesome.
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Old 02-22-2008, 08:08 AM
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Quote:
Originally Posted by HarleyDavidsonF250 View Post
you tell me haha i want it to be as loud as possible and whistle like theres no tomorrow is a 5" straight pipe any louder then a 4" straight pipe cuz if not i wont pay the extra money
I don't know that it will be that much louder but the 5 inch is definately deeper sounding
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Old 02-22-2008, 08:15 AM
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Im with you harley davidson!!! I wanna hear that turbo scream like when I gradually take off..It sounds awesome!!!!! Thats exactly what im lookin for!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!
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Old 02-23-2008, 05:10 AM
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rumor has it, the 5" has a deeper tone to it. i just put silverline duals on (love em by the way) 3.5" DP to 4", no cat w/ muffler. actually has less drone than stock, as quiet as stock on the highway cruising, but screams like a mofo and sounds like a big block heavy on the throttle!! oh yeah, and even got to test the straight pipe theory, when i brought it to a shop with only the downpipe and next section on. loud and made the floor rumble a little
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