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https://amzn.to/475O4D2

Just not that useful for me. Just more stuff on the dash I don't really need. Personal preference I guess; to each there own. I know I'm already speeding LOL.

After modification, I really like mine. Has a nice low rumble at low RPM's, no drone while on the highway, doesn't sound like a fart can, and no more whistle when I occasionally get on it.

I see in your video you never go above 3500 rpm, that's where the whistle comes in. Pedal to the floor.

Previous: https://www.mavericktruckclub.com/forum/threads/magnaflow-exhaust-whistle.36167/ I'll add a new one soon, with the oval tip.

What you got going on with that antenna? You ham radio guy?

I enable TSR for a short period using Forscan on my Mav. To me it was really more annoying then useful, and turned it back off. IMHO.

First thing I did when I got my Mav was a good clay bar treatment. Then ceramic spray coating over the top.

I also have the S&B intake and got a Cobb tune, and my truck flies now.

I have the same one. Noticed a terrible whistle when I really got on it. Complained to Magnaflow, and they said it was "turbo whistle". I cut off the twin tips, and installed an oval tip and it sounds SOOOO much better; no more whistle and more of a deeper growl.

I've used the brake and key method on a few Ford vehicles including my Mav with the official Motorcraft tool and never had a problem. Just rotated the tires and it worked great.

Also, I would recommend using Fluid Film and use the straw to spray inside it. Clings to metal surfaces, but breathes and keeps water away. I also live in Wisconsin and will be coating the underside and inside all sorts of spots I can to keep the salt away. https://amzn.to/3RA2w1i

https://www.linex.com/us/palm-beach-line-x-F1421

I'd really go for the spray in. Get a Line-X spray in. Way better then factory and lifetime warranty. Cost me after tax about $600.

I've also used Adam's spray ceramic on everything, and like it a lot.

Not making anymore, but I'll provide some instruction. So for the pins you need 10 of these (order more than that for screw ups): https://www.mouser.com/ProductDetail/538-560023-0421-LP 1 Female connector: https://www.mouser.com/ProductDetail/538-34791-0080 1 Male connector...

I definitely think the noise is at the dual tips. I covered one of the tips, and the whistle went away. Just loud air noises. https://1drv.ms/v/s!AhAwhWwLm1Tyg5JaSJXQjrIaOuSk8w?e=CZsW1v

I had the same problem. I think it's the dual tips. Mine whistles terribly at WOT.

At WOT, it whistles, I'm not a fan so far after installing mine.