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2018 Road Glide Ultra
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Discussion Starter · #1 · (Edited)
Hey guys, love the forum. Has already steered me in SO many directions. New shark owner, 3rd Harley. She's a 2018 Ultra with all the basics, except the Rinehart pipes. Put 800 miles on her last weekend when I picked her up!!!!

I've searched and researched as many of the audio post as I could and STILL have questions. LOL!! I'm looking at replacing all 4 speakers (fairing and TP). Unsure if I will ever add speakers anywhere else (lids or lowers). But I know I want a louder and crisper system. Fireball Jack pretty much laid everything out for me in one of his comments on a post (AMP kit, Line Leveler, AMP, Fairing speakers, connectors and cables).
So IF I can find these items, here's what I'm starting with:
SounDigital 800.4 EVOX
BT355 HD Radio Line Leveler
Ground Zero 6.5" Coax GZCF 6.5SPL (Fairing)
Unsure what to put in the TP???
And with this setup should I flash my radio?
My budget is about $1700 and any suggestions would be most welcome.

There will be times that I will be removing my TP to ride around town. Do I need to make special accommodations when doing this.
Thanks for any input.
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Hey guys, love the forum. Has already steered me in SO many directions. New shark owner, 3rd Harley. She's a 2018 Ultra with all the basics, except the Rinehart pipes. Put 800 miles on her last weekend when I picked her up!!!!

I've searched and researched as many of the audio post as I could and STILL have questions. LOL!! I'm looking at replacing all 4 speakers (fairing and TP). Unsure if I will ever add speakers anywhere else (lids or lowers). But I know I want a louder and crisper system. Fireball Jack pretty much laid everything out for me in one of his comments on a post (AMP kit, Line Leveler, AMP, Fairing speakers, connectors and cables).
So IF I can find these items, here's what I'm starting with:
SounDigital 800.4 EVOX
BT355 HD Radio Line Leveler
Ground Zero 6.5" Coax GZCF 6.5SPL (Fairing)
Unsure what to put in the TP???
And with this setup should I flash my radio?
My budget is about $1700 and any suggestions would be most welcome.

There will be times that I will be removing my TP to ride around town. Do I need to make special accommodations when doing this.
Thanks for any input.
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Sounds like a nice list! A few things to consider to swap out, don’t do the BT355 line leveler as it tends to cut some frequencies rather than fix the Harley EQ.

Replace instead with this T-Harness:


If you decide to go all out later you can add a Rockford Fosgate DSR1 DSP with this harness and it’s plug and play. This harness will supply a factory remote, DSR1 - (power, ground, remote plug) connection, more important you can retain the current speaker wires on the bike. Best part this harness is worth the $60 for plug and play options.

Also NOT flashing your bike is not an option. You have to fix the bad Harley EQ curve. I believe this T-Harness will correct the EQ curve through a sequence of pressing buttons on the bike, but only on non-GTS radios which if you have not swapped out for the 19-21 radio then it will work. This should save you a radio flash from a dealer, although I still recommend getting the radio flash as I haven’t been able to test the harness fix just yet.

As for TP, maybe look at:

MMats 6.5’s w/ 1/4” spacer
Hertz SPL neo 165’s
Diamond Audio MSPRO65 w/ 1/4” spacers

There may be more options once others chime in, but hope this will help get the convo started. Good luck bud!
 
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