Challenger R/T Engine & Performance Modifications

Discuss the 370HP/398lb-ft 5.7L HEMI V8 Engine and Performance Mods.

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  1. Okee Sign Guy

    Oil Catch Can Question...

    Okee Sign Guy, Feb 22, 2019 ... 5 6 7
    Replies:
    62
    Views:
    11,657
    Sexy Blue
    Sep 10, 2024
  2. jjmcanally01

    Arringtons

    jjmcanally01, Sep 12, 2020 ... 5 6 7
    Replies:
    60
    Views:
    9,062
    Cloverdale
    Sep 19, 2020
  3. BBBAD345

    Well, chalk this up as a learning experience. Side exit exhaust dont do it!

    BBBAD345, May 16, 2020 ... 4 5 6
    Replies:
    52
    Views:
    7,129
    BBBAD345
    Mar 18, 2022
  4. Storm Rider

    Exhaust Mod

    Storm Rider, Sep 18, 2011 ... 4 5 6
    Replies:
    50
    Views:
    34,821
    El Paso Bob
    Jul 1, 2016
  5. HemiGpa

    My Engine bay mods

    HemiGpa, Jan 2, 2012 ... 2 3 4
    Replies:
    34
    Views:
    15,683
    jonmandude
    Mar 23, 2013
  6. JimmyK

    Opening up the Dodge Challenger hood scoops

    JimmyK, Oct 2, 2011 ... 2 3 4
    Replies:
    31
    Views:
    16,698
    jjmcanally01
    Sep 12, 2020
  7. Challenger Driver

    Catch Can Help with Supercharger?

    Challenger Driver, Oct 8, 2024 ... 2 3
    Replies:
    26
    Views:
    1,397
    Moparisto
    Nov 13, 2024
  8. Ken56

    Exhaust

    Ken56, Mar 29, 2025 ... 2 3
    Replies:
    25
    Views:
    1,503
    SRT-Tom
    Apr 18, 2025
  9. hoseraee

    Anxious and hopefull

    hoseraee, Nov 18, 2020 ... 2 3
    Replies:
    25
    Views:
    2,982
    Bacon Sandwich
    Apr 18, 2021
  10. Stien

    So many tuners and I am lost on all of them

    Stien, Jul 2, 2013 ... 2 3
    Replies:
    24
    Views:
    11,012
    Hopslayer
    Sep 11, 2020
  11. RyansRT

    The 5.7s Plastic Intake Manifold Bolts Loosen Over Time

    RyansRT, Aug 8, 2022 ... 2 3
    Replies:
    23
    Views:
    5,837
    RyansRT
    Jan 24, 2023
  12. SRT-Tom

    Factory Upbadging

    SRT-Tom, Mar 12, 2023 ... 2 3
    Replies:
    21
    Views:
    2,398
    baccaruda
    Sep 16, 2024
  13. Wickdgtr

    New to the challenger realm looking for general hp ratings

    Wickdgtr, Jul 4, 2018 ... 2
    Replies:
    19
    Views:
    3,652
    Diehard
    Jul 9, 2018
  14. SRT-Tom

    Advantages of the 5.7 R/T over the 6.4 Scat Pack

    SRT-Tom, May 8, 2021 ... 2
    Replies:
    18
    Views:
    7,195
    68MOPAR
    Jun 25, 2021
  15. Bacon Sandwich

    H-Pipe Resonator Delete

    Bacon Sandwich, Nov 19, 2020 ... 2
    Replies:
    17
    Views:
    3,057
    RyansRT
    Aug 10, 2022
  16. manonamission

    Best Value Mod Challenge

    manonamission, Apr 24, 2012 ... 2
    Replies:
    17
    Views:
    14,851
    ZEN357
    Feb 15, 2018
  17. Model maker

    CAI, K&N or MOPAR ?

    Model maker, May 16, 2013 ... 2
    Replies:
    16
    Views:
    9,764
    Model maker
    Aug 20, 2013
  18. starburst

    Engine Cover Mod

    starburst, Jan 2, 2013 ... 2
    Replies:
    16
    Views:
    8,694
    WillRT
    Aug 3, 2013
  19. NinjaMom

    New Engine Cover

    NinjaMom, Jan 19, 2013 ... 2
    Replies:
    16
    Views:
    8,184
    skellin
    Jun 22, 2013
  20. Magpie2

    2015 tuners ?

    Magpie2, Jan 24, 2016 ... 2
    Replies:
    15
    Views:
    6,108
    Crazy55rider
    Feb 21, 2018
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