SKU: 26423947182

ThunderMax ECM With Integral Auto Tune System For Harley M8 Softail 21-24

$526.93 $585.48
Save 10%
No.2 Bestseller on watersyst.com >

Pay in installments of $146.37 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

ThunderMax ECM With Integral Auto Tune System For Harley M8 Softail 21-24ThunderMax ECM With Integral Auto Tune System For Harley M8 Softail 21 24 Are you ready to get every ounce of horsepower out of your M8 softail? This tuner will do exactly that. Every degree and a half of throttle; every 256 RPM, there is a fueling point that is automatically adjusted. That means more control and a smoother running engine. With the built in barometric sensor you never have to think about ambient air changes. WideBand O2 sensors

ThunderMax ECM With Integral Auto Tune System For Harley M8 Softail 21-24

Are you ready to get every ounce of horsepower out of your M8 softail? This tuner will do exactly that. Every degree and a half of throttle; every 256 RPM, there is a fueling point that is automatically adjusted. That means more control and a smoother running engine. With the built in barometric sensor you never have to think about ambient air changes. WideBand O2 sensors constantly read the Air Fuel Ratio and give live, real time feedback to the ECM. That means, no “accepting” the changes made to the map, once you key off the changes are written. The ThunderMax ECM is fully adjustable with the ThunderMax tuning software or can be used just by loading a basemap. The choice is yours.

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary AutoTune technology with wide-band oxygen sensors to deliver unmatched performance and rideability. ThunderMax comes 100% assembled, ready to install with no wire-cutting or splicing required. Simply replace the factory ECM and oxygen sensors, load a map, and enjoy your new ride!

Features:

  • 2 wide-band Bosch 5-wire oxygen sensors (18 mm) with AutoTune connection harness
  • ThunderMax quick start easy install and printable comprehensive users manual
  • Never outgrow it - easily accommodates bike changes
  • No Dyno required - automatically tunes for riding style and riding conditions
  • ThunderMax performance engine control module (ECM)
  • 100% engineered and made in the USA
  • Easy to install and simple to use



Note:

All sales on tuners are final, no returns. 

    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 26423947182

    Discover Niche Categories That Outsell

    Top-Converting Item to Boost Your Average Order

    4.2 ★★★★★
    Based on 20 reviews
    Sort
    Highest Rating
    Newest First
    Oldest First
    Product Reviews
    L
    Verified Purchase
    LanaB
    Massapequa, US
    ★★★★★ 5
    Ends in a cliffhanger
    Format: Kindle
    Thankfully, the next book is already available. Roxy Collins is the queen of omegaverse slow burn. This particular series is omegaverse with wolf shifters. Thoroughly enjoyed this book! Lots of suspense and trying to figure out what is true and what's really going on. I loved it! Pretty spicy once the action starts. Heats are pretty much always spicy. There is a little bit of male interaction, but not full-on shmex. Definitely recommend.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 29, 2025
    D
    Verified Purchase
    Dolores Evans
    Massapequa, US
    ★★★★★ 5
    Epic!!!!
    Format: Kindle
    Absolutely addicted from the first page. The twists and turns, world building and character development all come together for the perfect Omegaverse. And let's not forget that spice because knots are life and these are spectacular. Running for book #2 because that cliffhanger was torturous.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 17, 2024
    R
    Verified Purchase
    Ruth Ann Burt
    Los Angeles, US
    ★★★★★ 5
    Great book
    Format: Kindle
    I absolutely feel in love with all 4 characters!!! The bedroom scenes were 🌋🌡🔥🔥🔥. I couldn't put this book down!!! I'm hooked for the whole series Book 2 here I come!!!!! Its a fun easy book and story to read!!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on October 4, 2024
    D
    Verified Purchase
    Danyelle
    Port Orchard, US
    ★★★★★ 4
    Fun with a late blooming omega
    Format: Kindle
    I like this book. The story is fun, cute, and sexy. There's just a little drama, some excellent, steamy scenes, and a fairly good relationship building storyline. I especially like how all the main characters are a bit older than the usual 20 somethings I tend to see in this kind of book. Having said that, I wish there were more descriptions of the places, as well as the food in the fancy restaurant. I enjoyed the cocktails at the club, so I missed that kind of detail when Gray took Madison on a dinner date. I also wish there had been more interaction between Lucas and Madison, and Lucas and Rian. It felt a bit lopsided, with a focus on Rian, Madison, and Gray. I wish it had been proofread - there are a lot of typos, but nothing too distracting.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 12, 2022
    J
    Verified Purchase
    Jennifer G
    West Palm Beach, US
    ★★★★★ 3
    Madison Deserved Better
    Format: Kindle
    Madison was a beta...except she wasn't any longer. She was a late presenting Omega. And she was struggling. She was tall and thin, not tiny and curvy. She was opinionated. She was everything an Omega was not. After suffering through her first heat, her friends took her to Ardor, a club where Omegas came to safely find Alphas. She's not expecting much but then she connects with a sexy beta. And when she meets his Alphas, they set her body on fire. Maybe, she's found her no-strings-attached heat pack. Maybe, she's found something more. I could not connect with the characters in this book, so their story never resonated with me. And there was no love story; there was sex. Grey made it clear from the beginning that he had a true love and it was his beta boy, Rian. He went so far as to reassure Rian “Say the word, I’ll never touch her again. Lucas can put the babies in her. I only need you, beta boy”. So, Madison was there for babies, no emotions needed. Nice. No, thank you. I want the Omega to be the center of their world, not an incubator. Lucas and Rian weren't any better. After her heat, they let her leave. Not one of them made her feel valued. No one gave her a reason to stay or even offered a cuddle. And the sex didn't even come across as mind-blowing. Madison deserved better.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 11, 2025

    recommand products

    Faux Pearl Necklace
    14.90
    Rhodium Plated PaperClip Chain Bracelet
    11.90
    Triple Oval Shaped Drop Earrings
    14.90
    Colorful Cubic Zirconia Eye Pendant Necklace
    14.90
    Bubble Clasp 9mm Bracelet
    25.90