Zipper's

309-373

Zippers ThunderMax 50 309-373

SKU: 126514

Engine Computers

California ARB-legal complete replacement engine management system for Delphi-equipped EFI model Harleys
ThunderMax 50 automatically corrects air/fuel ratios through the use of wide-band oxygen sensors and the ThunderMax AutoTune module
This system allows continuous AFR tuning, keeping the engine at the specified air fuel ratio regardless of the changes in ambient conditions or terrain the vehicle is being operated inwithout tuning on a dynamometer
Features increased torque and power over the stock system and maintains excellent fuel economy
System properly self-tunes aftermarket exhaust systems automatically

California ARB-legal complete replacement engine management system for Delphi-equipped EFI model Harleys
ThunderMax 50 automatically corrects air/fuel ratios through the use of wide-band oxygen sensors and the ThunderMax AutoTune module
This system allows continuous AFR tuning, keeping the engine at the specified air fuel ratio regardless of the changes in ambient conditions or terrain the vehicle is being operated inwithout tuning on a dynamometer
Features increased torque and power over the stock system and maintains excellent fuel economy
System properly self-tunes aftermarket exhaust systems automatically
2001-2006 models will require exhaust systems equipped with or modified for oxygen sensor bungs
Adjustable rev limiter
Provides access to read vehicle diagnostic trouble codes
Made in the USA
Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs.
C.A.R.B. EO #s D-644, K-001, K-001-1, K-001-2.

This Item Fits the Following Applications:
2006 Harley Davidson FXSTSI Springer Softail
2006 Harley Davidson FXSTS Springer Softail
2006 Harley Davidson FXSTI Softail Standard
2006 Harley Davidson FXSTDI Softail Deuce
2006 Harley Davidson FXSTD Softail Deuce
2006 Harley Davidson FXSTBI Night Train
2006 Harley Davidson FXSTB Night Train
2006 Harley Davidson FXST Softail Standard
2006 Harley Davidson FLTRI Road Glide
2006 Harley Davidson FLHXI Street Glide
2006 Harley Davidson FLHX Street Glide
2006 Harley Davidson FLHTI Electra Glide Standard
2006 Harley Davidson FLHTCUI Electra Glide Ultra Classic
2006 Harley Davidson FLHTCI Electra Glide Classic
2006 Harley Davidson FLHT Electra Glide Standard
2006 Harley Davidson FLHRSI Road King Custom
2006 Harley Davidson FLHRS Road King Custom
2006 Harley Davidson FLHRI Road King
2006 Harley Davidson FLHRCI Road King Classic
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