exhaust ? - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 04-16-2009, 11:54 AM Thread Starter
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exhaust ?

im looking to get an exhaust for my 03 7.3. i dont know whether to get a 4 or 5inch. what are the benefits for either? is one louder than the other? Im going to do straight pipe and want it loud. The only mod im gonna do is an edge juice with attitude.
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post #2 of 7 Old 04-16-2009, 11:58 AM
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From what I read anything over 4" isn't necessary without big horsepower. It also seems that the 5" has a different sound to it that seems to be 50/50 on whether or not people like the sound. I chose to go with the 4" since the rigs I've heard running them have been plenty loud. Just my 2 cents.

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post #3 of 7 Old 04-16-2009, 11:59 AM
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If you want it loud get a 4" downpipe and leave the rest of the exhaust off lol. 4" is plenty

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post #4 of 7 Old 04-16-2009, 12:00 PM Thread Starter
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is the 5 inch louder?
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post #5 of 7 Old 04-16-2009, 12:02 PM
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5" has a somewhat deeper tone, but I would not say its louder. A 7.3 will never be "loud". The turbo eats up 80% of the sound.

4" turbo back system is fine. About $300 bucks from most places.

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post #6 of 7 Old 04-16-2009, 12:04 PM
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Quote:
Originally Posted by bigsho View Post
is the 5 inch louder?
IMO it is. It's not a HUGE difference, but it is louder. It is a deeper sound. I think more than anything it is preference. Some ppl prefer the 5, some the 4.

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post #7 of 7 Old 04-16-2009, 12:22 PM
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I ran a 5" Hypermax for 5-6 years on my '99 and loved it I always got compliments.....now its a common exhaust so see it seems. The sound is great over the 4" Magnaflow IMO. Much deeper sound throaty sound if you ask me!

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