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> Options for 914-6 muffler (track and some street use)
914 Ranch
post Nov 8 2024, 06:24 AM
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Once upon a time I used to do sandrails, liked Super Trap mufflers. Decided to see what it would take to put them on my car. Took one off a buggy and checked it out on the car. Looked like one a flange and some 2" exhaust pipe and something to hang it on.

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914 Ranch
post Nov 8 2024, 06:27 AM
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With the diffuser installed.

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Really like the way it sounds. Next time I have to pull it I'll weigh it as I am curious myself.
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BillJ
post Nov 8 2024, 07:26 AM
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Overkill on the mounts. Take at least one off if you are trying to save weight.
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stownsen914
post Nov 9 2024, 09:40 AM
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Careful bracing exhaust to chassis. Unless you have solid engine/tranny mounts, engine (and exhaust) move relative to chassis, and turn the extra muffler bracing into auxiliary engine mounts.
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BillJ
post Nov 9 2024, 12:40 PM
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Yeah you don't want the mufflers to be tweaking the headers independent of the engine flanges. I would remove entirely.
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914 Ranch
post Nov 13 2024, 04:57 AM
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This is good input as I didn't like the way it turned out. I was trying to get as much movement out as I could. My problem is the slip joint, you can't make it rigid enough. Now thanks too all y'all comments I have a better solution. Remove one of the braces and put the other one inline with the center line of the pipe and spring load the slip joint. Once it's spring loaded it won't matter how much it moves around. Pictures in a couple of days.
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stownsen914
post Nov 16 2024, 08:41 AM
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A good option is to brace to the standard mounting spot on the back of the transmission cover. Since the trans and exhaust both move with the engine, there is no relative movement between them.
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Charles Freeborn
post Nov 18 2024, 10:05 AM
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Agree. The brace from the Trans cover is sufficient. Eliminate the ones to the body. That'll cause problems.
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Justinp71
post Nov 19 2024, 07:43 PM
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The super trapps look good and sound good with little drone, if you have something with cross over (x-pipe, etc) you will get more power... I've played around alot with exhaust. Looking good!
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