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post #1 of 44 Old 02-19-2008, 05:04 AM Thread Starter
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Question Muffler or NO Muffler?

So what is better? Is it better to get an after market muffler (exhaust system) or is it better to hack the exhaust right in front of the stock muffler and add some 4" exhaust pipe straight back and out the side???

Where is the line between letting the motor breath better and having a lil' back pressure and what is best to achieve the both?


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Last edited by krupatex; 02-19-2008 at 07:41 AM.
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post #2 of 44 Old 02-19-2008, 09:24 AM
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i have both a straight exhaust exiting in front of the rear on my 99 reg cab and a 4" tb ss silverline exhaust i like both the aftermarket exhaust is much quiter which is nice on trips straight exhaust sounds good purrin through town lol

2000 F 250 crew cab short bed
Silverline 304ss turbo back, AFE stage 2 intake
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1999 F 350
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post #3 of 44 Old 02-19-2008, 09:30 AM
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From what I have read I would say straight pipe all the way back is the happy medium.

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post #4 of 44 Old 02-19-2008, 09:41 AM
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I had the stock exhaust straight piped no cat or muffler and now I just put a 4 inch turbo back with cat delete but it has the muffler ...I'm waiting for the muffler delete pipe to come right now because it got too quiet I need some growl ...so straight pipe all the way

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post #5 of 44 Old 02-19-2008, 09:54 AM
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straight pipe it, I started with a muffler on my kit and it didn't last long.

2003 F-250 4WD EXT CAB

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post #6 of 44 Old 02-19-2008, 10:01 AM
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Quote:
Originally Posted by krupatex View Post
Where is the line between letting the motor breath better and having a lil' back pressure and what is best to achieve the both?
Turbo diesel doesn't need backpressure. By eliminating the muffler you get a quicker spool up on the turbo (no backpressure) and you will lower your EGT'S maybe about 20 degrees.
I ran a system, now it is straight pipe, it isn't that loud until you open it up, plus you can really hear the turbo.

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You are not right man, but i still think your funny as hell!
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post #7 of 44 Old 02-19-2008, 10:23 AM
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How about the old Harley saying..Loud pipes saves lives..

REDNEKEXPREZ:
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post #8 of 44 Old 02-19-2008, 10:23 AM
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no muffler are you crazy?

-Josh

2008 2500 LMM- Deleted, Blocked, Fueled, & Tuned by:
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post #9 of 44 Old 02-19-2008, 10:37 AM
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Where can i find a muffler delete pipe for my silverline exhaust

2000 F 250 crew cab short bed
Silverline 304ss turbo back, AFE stage 2 intake
Pricol Optix Boost and Pyro gauges, Whicked Wheel
Elite Diesel XCAL2 tow power,high power,max power

1999 F 350
Farmers custom straight exhaust w/ 5" tip
Farmers custom intake
Edge Juice W/ Attitude
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post #10 of 44 Old 02-19-2008, 10:37 AM
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Straight Pipe!
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