M8 Softail Exhaust + ThunderMax Tuner Combo PROMO!




Juice up your ride with the new M8 Softail Exhaust and a ThunderMax Tuner!  For a limited time, receive BOTH a brand new M8 Exhaust kit AND a ThunderMax Tuner for a special PROMOTIONAL PRICE!  Be sure to check to the homepage banner for details on when the PROMO will end.  Act now and save big when you buy BOTH upgrades for your bike!

Samson Features & Benefits

  • Mounting hardware included
  • Improves gas mileage
  • Installer Friendly
  • Awesome Deep Tone
  • Exclusive Show Quality Quad Chrome Finish
  • Also available with Sinister Black Ceramic (+$100.00)
  • True Dual Exhaust System
  • Limited 1 year warranty
  • Produces up to 20% or More Horsepower and Torque
  • Removable Longtails Tips
  • Removable 10″ x 1 3/4″ Baffle
  • Full Coverage Head Pipe Heat Shields
  • Style could be used as Straight or Longtail


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!

Emissions Notice

This product is intended for “RACE READY” vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for “STREET APPROVED” & ARB compliant products.

*Excludes 2019 Trike® Models

Additional information

Weight 42 lbs
Dimensions 47 × 15 × 12 in
M8 Exhaust Set Type

33" Chrome – Head Pipes and Mufflers w/THUNDERMAX COMBO!, 36" Chrome – Head Pipes and Mufflers w/THUNDERMAX COMBO!, 39" Chrome – Head Pipes and Mufflers w/THUNDERMAX COMBO!


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