Muffler or no muffler looking for performance. - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 20 (permalink) Old 03-25-2014, 07:25 PM Thread Starter
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Muffler or no muffler looking for performance.

I do alot of pulling of heavy equipment not worried about it being loud just
Want the very best exuast system I can buy for my f350 any input would
Greatly appreciated thank you .
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post #2 of 20 (permalink) Old 03-25-2014, 07:54 PM
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Re: Muffler or no muffler looking for performance.

Most exhaust systems are the same...... Difference between them all is quality in the part. Most mufflers that come with the exhaust kits are a straight through flow design.

I myself have a 6" stack on my truck without a muffler and to me its quite considering I thought it would be loud.
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post #3 of 20 (permalink) Old 03-26-2014, 02:27 AM
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Re: Muffler or no muffler looking for performance.

4" turbo back stainless with muffler. I prefer magnaflow but any name brand kit would be ok. 4 inch has plenty of flow, muffler keeps wife/neighbor friendly,stainless will outlast the truck

Fixing ford diesels since before they had turbochargers
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post #4 of 20 (permalink) Old 03-26-2014, 02:56 AM
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Re: Muffler or no muffler looking for performance.

Diamond eye 4" stainless. Order it with a muffler. You'll end up replacing clamps before it even thinks about rusting.

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F250 7.3 Crew Cab Short Bed Lariat
4"dp 5 inch pipes to dual 8 inch stacks (summer)
4" turbo back dual axle dumps (winter)
PHP Hydra (loaded)
Edge insight CTS monitor w/ eas system
17 ton d-ring with solid polished titanium hitch
80% over rosewood injectors
Transgo tugger kit
dual disc tc
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post #5 of 20 (permalink) Old 03-26-2014, 04:26 AM
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Re: Muffler or no muffler looking for performance.

Use stainless Easi-Seal exhaust band clamps from NAPA. They use a band for the seal, don't put a groove into the pipe like regular exhaust clamps and are easily removable.
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post #6 of 20 (permalink) Old 03-26-2014, 04:37 AM
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Re: Muffler or no muffler looking for performance.

I don't want my exhaust to be easily removable to want it to easily move.

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F250 7.3 Crew Cab Short Bed Lariat
4"dp 5 inch pipes to dual 8 inch stacks (summer)
4" turbo back dual axle dumps (winter)
PHP Hydra (loaded)
Edge insight CTS monitor w/ eas system
17 ton d-ring with solid polished titanium hitch
80% over rosewood injectors
Transgo tugger kit
dual disc tc
GTP38R
More to come
call me dan
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post #7 of 20 (permalink) Old 03-27-2014, 08:18 PM
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Re: Muffler or no muffler looking for performance.

Quote:
Originally Posted by dsberman94 View Post
I don't want my exhaust to be easily removable to want it to easily move.
When you tighten up a band clamp, it ain't movin' until you want it to move.
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post #8 of 20 (permalink) Old 03-27-2014, 08:50 PM
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Re: Muffler or no muffler looking for performance.

I used those stainless band clamps before and they work great. They dont leak and dont let the pipes move (unless your putting a 5in i.d over a 4 1/2 od lol). If you want a good exhaust get a 4 inch dp then 5in all the way back with no muffler. It sounds alot deeper then the 4 inch full.
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post #9 of 20 (permalink) Old 03-28-2014, 04:05 AM
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Re: Muffler or no muffler looking for performance.

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Originally Posted by old man dave View Post
When you tighten up a band clamp, it ain't movin' until you want it to move.
You talking about the ones that are about 4 inches wide and have a step to them? Or are you talking about a 1 inch wide band clamp?

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F250 7.3 Crew Cab Short Bed Lariat
4"dp 5 inch pipes to dual 8 inch stacks (summer)
4" turbo back dual axle dumps (winter)
PHP Hydra (loaded)
Edge insight CTS monitor w/ eas system
17 ton d-ring with solid polished titanium hitch
80% over rosewood injectors
Transgo tugger kit
dual disc tc
GTP38R
More to come
call me dan
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post #10 of 20 (permalink) Old 03-29-2014, 04:39 AM
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Re: Muffler or no muffler looking for performance.

The NAPA Easi-Seals are a flexible stainless band about 4" wide, with two bolts to tighten up the clamp, comes with a step or not depending on your application. they can be loosened for adjustment while making up the exhaust system or for easy removal.

4" 7335976
3.5" 7335977

The small ones are abortions, worst of both worlds. Not wide enough to seal, no crimping to seal either.
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