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  1. TMAC

    Complete audio system upgrade 2017 Hellcat

    So I decided this week to do a rear seat delete. The factory kit shows up in early June at my local dealer. In 4+ years the rear seats have been used a total of once. After researching a little more, I will not be getting the Helix 12 channel DSP. Will use the Audison Bit One HD Virtuoso. Has...
  2. TMAC

    Complete audio system upgrade 2017 Hellcat

    Its really not difficult. If you use the 3 PAC pieces, they install into your existing head unit. One of the 3 items ( APH-CH03 ) is a wiring harness. You literally unplug the connector in your factory head unit, install that wiring harness and you are done. The AP4-CH41 (R.2) module installs...
  3. TMAC

    Complete audio system upgrade 2017 Hellcat

    With all the performance mods finally done, I am going to 'fix' the factory sound system. I won't trash the H/K system. There has really never been a factory sound system from any manufacturer that was very good. I didn't special order it. It came with the car and had zero influence on my...
  4. TMAC

    Anybody try a JL Audio Stealthbox Subwoofer for Challenger?

    I have the right guy and its definitely not me. You need an RTA setup to do it the right way.
  5. TMAC

    Anybody try a JL Audio Stealthbox Subwoofer for Challenger?

    Absolutely. If you have to use anywhere near close to peak power just to hear it, there's no reserve left when a loud passage is played, so your dynamic range goes in the toilet. My home theater is all Krell, and I run very powerful amps, so anything I listen to is very lively. Music and movies...
  6. TMAC

    Anybody try a JL Audio Stealthbox Subwoofer for Challenger?

    So its on. I am starting to lay in the pieces for the stereo upgrade. A few things I still need to dig into a little more, but the major components are set. For a sub I will use the JL Audio 13TW5v2-2. Got lucky and found a brand new 2 ohm version in the midwest so I grabbed it. 13.5" dia and...
  7. TMAC

    Anybody try a JL Audio Stealthbox Subwoofer for Challenger?

    Does anyone know what the maximum mounting depth can be for the front door 6x9's?
  8. TMAC

    Anybody try a JL Audio Stealthbox Subwoofer for Challenger?

    Wow. Smokin deal there. For $150 I would have gone for it as well.
  9. TMAC

    Anybody try a JL Audio Stealthbox Subwoofer for Challenger?

    Before I try the Stealthbox, I am going to price a custom box that fits in the same space made of 3/4" MDF, glued, braced and covered with a material that matches the trunk. My biggest issue with the Stealthbox is the PRICE. I understand JL Audio stuff is good stuff, but the specific driver in...
  10. TMAC

    Anybody try a JL Audio Stealthbox Subwoofer for Challenger?

    I'm going to try one. Is the 'box' plastic or fiberglass?
  11. TMAC

    My 2017 Hellcat build

    Well I finally got the remote tune done. Had Mike at OST Dyno remotely tune the car at Black Market Racing, a local dyno shop. The original tune had some problems, not the least of which was going into limp mode every time I drove it for more than 20-25 minutes. The idle was to high (~1000 RPM)...
  12. TMAC

    Who's running larger Throttle Body?

    I have been waiting for the HHP 105mm throttle body for weeks. And Thursday I was told by HHP that the wait is out another 2 months. Screw that. Yesterday I ordered a VMP 105mm throttle body from Jokerz performance. These are in stock. Like the HHP, this throttle body is built using all factory...
  13. TMAC

    My 2017 Hellcat build

    Well, Jokerz could not get the pulley off. So its now a shaft replacement.
  14. TMAC

    My 2017 Hellcat build

    No idea. Both the larger idler pulleys and supercharger spacers do slightly change the way the belt meets the pulley, but why that's a problem for the Litens pulley is a mystery. I am not using an aftermarket tensioner that has a higher spring rate. This is not unusual. Its a real problem that...
  15. TMAC

    My 2017 Hellcat build

    I have a Demon supercharger. So the 3.1 upper and standard lower gets me in the 16-17 pound boost range. Plenty for me.
  16. TMAC

    My 2017 Hellcat build

    Well, my 3.17" Litens upper burned up. Apparently they don't like larger idler pulleys and supercharger spacers. Its stuck on the shaft, so its on the way to Jokerz for removal. Jokerz said they have had to do this for others. While they have it I am having them CNC port it for the HHP 105mm...
  17. TMAC

    Who's running larger Throttle Body?

    I sent my Demon supercharger snout in to Jokerz today for the CNC port work. I am having them port for the HHP 105mm, which I also ordered. My Hellcat build has headers, cam, upper pulley, BES CNC'd cylinder heads and larger exhaust system. Also running a Fore staged 2 pump/return style fuel...
  18. TMAC

    Turning my '16 into a widebody

    Looks good. If Dodge sold me the parts I ordered I would have done the same thing to my 2017.
  19. TMAC

    New Stock Power Demon Record.

    I have been working on this current build for a decade and a half. I will have 100K+ into it easily. And the engine is not at Butlers. Had 1 run in with them a very long time ago and it was not a positive one.
  20. TMAC

    Standard Body - What are the widest rear tires anyone has run and what did you have to do to the wells, etc...

    PK 11" rears and Nitto 315's here as well. Fits perfectly and zero rubbing, even lowered.


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