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Old 07-15-2012, 09:14 PM
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Which tail pipes?

Hey guys, I have a 1967 Elky with a sbc 350. It is making around 350 HP. I have Heddman Elite full length headers with 1 5/8" primaries and 2 1/2" exhaust pipe which dumps at the mufflers. I am looking to add tailpipes, which would be better? The flowmaster 2 1/2" or 3" tail pipe which will exit behind the rear tires....
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Old 07-15-2012, 09:30 PM
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just go to a muffler shop and have them fan you up some 3" pipes.
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Old 07-15-2012, 10:39 PM
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As said above.....any muffler shop can install the system or look of your choice.....I would however stick to the 2 1/2" size.
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Old 07-15-2012, 10:40 PM
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I've got 2.5" running to the muffs and 3" out the back. I love the extra depth of the 3" and they take away the high frequency rasp.
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Old 07-16-2012, 04:23 PM
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Quote:
Originally Posted by 327NUT View Post
As said above.....any muffler shop can install the system or look of your choice.....I would however stick to the 2 1/2" size.
Why not go with the 3" pipe. Is this size more appropriate for big block or high horsepower applications? Could I possibly lose torque by going with the 3 inch pipe?
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Old 07-16-2012, 08:08 PM
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I run a full 3 inch mandrel bent system with X pipe and it sounds and works great.I had a 3 inch none mandrel bent exhaust without a cross over before but it was noisy and sounded great!
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Old 07-17-2012, 10:06 AM
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Not much gained by going 3" after the muffler if the first part and the muffler are all 2.5". I doubt the lack of back pressure will hurt, but if you want a 3" tailpipe just have the shop run 2.5" back and tack on a 3" end for the last 12" or so.
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