Challenger SRT8 Engine & Performance Modifications

Discuss the 425HP/420lb-ft 6.1L HEMI V8(2008-2010) and 470HP/470lb-ft 6.4L HEMI V8(2011-) engines and performance mods.

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  1. BIRDMAN

    6.4L V8 Challenger SRT8 Thread Prefix Example

    BIRDMAN, Sep 19, 2011
    Replies:
    3
    Views:
    5,220
    Shaggy
    Nov 30, 2011
  1. SRT-Tom

    Reliability of the 6.1 Hemi

    SRT-Tom, Feb 13, 2022
    Replies:
    2
    Views:
    17,155
    stingray
    Feb 14, 2022
  2. Katshot

    Exhaust mods

    Katshot, Apr 17, 2020 ... 10 11 12
    Replies:
    114
    Views:
    16,554
    Katshot
    Nov 12, 2020
  3. SRTSammy

    6.4L K&N Filters void the warranty??

    SRTSammy, Nov 30, 2011 ... 2 3
    Replies:
    21
    Views:
    13,047
    SRT-Tom
    Apr 29, 2014
  4. Dakota21601

    6.1 vs. 6.4

    Dakota21601, Feb 17, 2015
    Replies:
    5
    Views:
    11,426
    Dakota21601
    Mar 2, 2015
  5. Jason Lessler

    Supercharging a scat pack

    Jason Lessler, Sep 5, 2019 ... 2 3
    Replies:
    27
    Views:
    10,647
    Jason Lessler
    Dec 21, 2019
  6. SRT-Tom

    Valet Mode

    SRT-Tom, Feb 27, 2021
    Replies:
    2
    Views:
    10,087
    SRT-Tom
    Feb 27, 2021
  7. WVMOPARGUY

    6.4L 6.4 swap into 09 5.7 r/t

    WVMOPARGUY, Apr 16, 2012
    Replies:
    6
    Views:
    9,856
    Storm Rider
    May 19, 2012
  8. soonercruiser

    6.4L Oil Catch Can well worth it!

    soonercruiser, Jan 15, 2017
    Replies:
    3
    Views:
    9,665
    Sablelieger
    May 7, 2017
  9. Bullishman13

    The Catch Can

    Bullishman13, Oct 10, 2011 ... 2
    Replies:
    11
    Views:
    9,303
    Shaggy
    Nov 30, 2011
  10. SRT-Tom

    Top Speed & Horsepower

    SRT-Tom, Jun 24, 2016
    Replies:
    0
    Views:
    8,989
    SRT-Tom
    Jun 24, 2016
  11. SRT-Tom

    7 Reasons NOT to Own a Hellcat

    SRT-Tom, Apr 8, 2015
    Replies:
    9
    Views:
    8,750
    IntimidatorRT
    Dec 11, 2017
  12. carid

    Comparison: The best air intake for V8 Challenger | Part 2

    carid, May 19, 2015
    Replies:
    3
    Views:
    8,450
    carid
    Oct 15, 2015
  13. SRT-Tom

    Which Viscosity Oil to Use?

    SRT-Tom, Jan 11, 2013
    Replies:
    3
    Views:
    7,976
    brandy16
    Oct 24, 2013
  14. AnthonyLopez11B

    6.1L Alternator cooling

    AnthonyLopez11B, Feb 7, 2017 ... 2
    Replies:
    13
    Views:
    7,709
    HemiFeverAZ
    Jun 28, 2019
  15. cuda8u

    Newbie from alberta canada

    cuda8u, Apr 6, 2016
    Replies:
    2
    Views:
    7,139
    Nikdom
    Jan 8, 2018
  16. SRT-Tom

    Does the 392 feel faster than the Hellcat?

    SRT-Tom, Mar 17, 2015
    Replies:
    3
    Views:
    6,972
    Sablelieger
    Jul 16, 2017
  17. SRT-Tom

    392 HP is Underated!

    SRT-Tom, Dec 14, 2011
    Replies:
    5
    Views:
    6,475
    Dragon
    Dec 19, 2011
  18. Rodimus

    New exhaust

    Rodimus, Sep 22, 2012 ... 2
    Replies:
    11
    Views:
    5,919
    Generaljenkins
    Sep 15, 2013
  19. Wilfredopr

    Resonator delete

    Wilfredopr, Nov 22, 2013
    Replies:
    2
    Views:
    5,826
    AnthonyLopez11B
    Feb 27, 2014
  20. genotex

    new info on the 'tune' of the 6.4

    genotex, Jan 10, 2012
    Replies:
    8
    Views:
    5,701
    Hemi671
    Sep 29, 2012
Showing threads 1 to 20 of 210

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