what size are these exhaust bolts!!!???? - Ford Powerstroke Diesel Forum

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post #1 of 5 Old 06-09-2010, 11:21 AM Thread Starter
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what size are these exhaust bolts!!!????

Anyone have any idea what size the factory exhaust bolts are and the bolts for the downpipe too? I cant seem to find the right size. Thanks

2015 f350 cclb platinum...5% tint, Anzo smoked mirror lights, recon clear cabs, tgc 2.5" spacers, carli adjustable track bar, icon 5" rear blocks, Firestone riderites, B&W goosneck, line x, rancho 7000s, Fuel Mavericks wrapped in Toyo MT's, 4" flo pro straight pipe, Sct w gearhead tunes, hideaway LEDs
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post #2 of 5 Old 06-09-2010, 11:28 AM
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I use a 13MM for the downpipe, the rest of the exhaust is 15mm if i remember correctly. The downpipe bolts must be taken out from the engine side, the other side is welded to the pipe. Also, a wobbley 13 comes in handy with a long extension for the upper downpipe bolt.
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post #3 of 5 Old 06-09-2010, 11:39 AM Thread Starter
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I'm in the middle of my install and just noticed down pipe bolts didn't come w my flo pro dp back dpf delete. What can I use?

2015 f350 cclb platinum...5% tint, Anzo smoked mirror lights, recon clear cabs, tgc 2.5" spacers, carli adjustable track bar, icon 5" rear blocks, Firestone riderites, B&W goosneck, line x, rancho 7000s, Fuel Mavericks wrapped in Toyo MT's, 4" flo pro straight pipe, Sct w gearhead tunes, hideaway LEDs
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post #4 of 5 Old 06-09-2010, 01:00 PM
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You can re-use the stock bolts, if you can find new nuts for them. Or you could hit up the local hardware/home improvement store and find some that will work. The Flo pro stuff is usually in a little plastic baggie with the pipe, you get jipped? Sometimes the boxes get a little mangled in shipping and parts can fly out. Sorry to hear that.
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post #5 of 5 Old 06-09-2010, 02:45 PM Thread Starter
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My dad saved the day and had stainless nuts and bolts

2015 f350 cclb platinum...5% tint, Anzo smoked mirror lights, recon clear cabs, tgc 2.5" spacers, carli adjustable track bar, icon 5" rear blocks, Firestone riderites, B&W goosneck, line x, rancho 7000s, Fuel Mavericks wrapped in Toyo MT's, 4" flo pro straight pipe, Sct w gearhead tunes, hideaway LEDs
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