SERT vs SEPST
Club Member
Joined: Jan 2010
Posts: 523
Likes: 13
From: Arizona
Glad I am not the only one confused...
The full version of the SE catalog has good explainations.
The Pro Super Tuner is an updated version of the SERT. My wife's 08 has a SERT and my 11 has a SEPST. The SERT/SEPST allows you to tune to your specifications.
The Street Performance Tuner basically lets the dealer download Stage 1 type EPA compliant ECM calibrations.
The full version of the SE catalog has good explainations.
The Pro Super Tuner is an updated version of the SERT. My wife's 08 has a SERT and my 11 has a SEPST. The SERT/SEPST allows you to tune to your specifications.
The Street Performance Tuner basically lets the dealer download Stage 1 type EPA compliant ECM calibrations.
Ultimate HDF Member
Joined: Aug 2008
Posts: 5,413
Likes: 17
From: eastern oklahoma
the sepst i have on my 08 streetglide works great. i haven't had any experience with the sert, but the sepst is supposed to be the latest version of harleys tuners. mine has the little box that can record an amount of time to show you how it's running, via downloading it into the computer, and then it allows you to tweak the tune if desired, as far as i can tell anyway. i know that the power commander V, after two wrong maps, i sold it and went with the harley tuning device instead, dyno tuned it, and i'm very happy with it.
Road Captain
Joined: Feb 2008
Posts: 597
Likes: 35
From: On the lake, Ohio
When I had my SERT equiped bike Dyno'd in late 2009, the Dyno Tuner offered to sell me SERPT. Said SERPT was more versatile and would give me quicker response on the throttle? Wasn't in the mood to drop an extra $400 for faster throttle response. SERT serves me well.
Outstanding HDF Member
Joined: Aug 2008
Posts: 2,951
Likes: 6
From: Kingman, AZ
sooooo.......a tuner who is proficient in TTS Mastertune is likely equally good using a SEPST? (Screamin Eagle Pro Super Tuner)
Club Member
Joined: Jan 2010
Posts: 523
Likes: 13
From: Arizona
You can buy the software, cables, and training CD for under a $100.00.
Outstanding HDF Member
Joined: Aug 2008
Posts: 2,951
Likes: 6
From: Kingman, AZ
It is my ability to comprehend and utilize the cables and training software that concerns me. 
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