Reg:$899.95
Sale: $704.75 See Details
California ARB-legal ECM that really performs while still meeting emission controls. It is a complete replacement engine management system for Delphi-equipped EFI Harley-Davidson models.
 
Reg:$899.95
Sale: $704.75 See Details
California ARB-legal ECM that really performs while still meeting emission controls. It is a complete replacement engine management system for Delphi-equipped EFI Harley-Davidson models.
 
Reg:$989.95
Sale: $766.72 See Details
Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load levels Operates as a closed-loop control system to...
 
Reg:$989.95
Sale: $766.72 See Details
Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load levels Operates as a closed-loop control system to...
 
Reg:$899.95
Sale: $704.75 See Details
Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load levels Operates as a closed-loop control system to...
 
Reg:$989.95
Sale: $766.72 See Details
For use with Throttle-By-Wire versions of models listed Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load...
 
Reg:$899.95
Sale: $704.75 See Details
Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load levels Operates as a closed-loop control system to...
 
Reg:$989.95
Sale: $766.72 See Details
For use with Throttle-By-Wire versions of models listed Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load...
Thunder Heart ThunderMax ECM With Integral Autotune System For Harley 309-466 Unpainted
 
Reg:$919.95
Sale: $718.42 See Details
Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required Includes Communication Pigtail for remote access to modules ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load...
 
Reg:$919.95
Sale: $718.42 See Details
Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required Includes Communication Pigtail for remote access to modules ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load...
 
Reg:$899.95
Sale: $704.75 See Details
Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required Includes Communication Pigtail for remote access to modules ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load...
 
Reg:$312.99
Sale: $254.53 See Details
Compact design is easily hidden on custom motorcycles Performs all fuse, relay, and signal canceling functions in one simple package Provides multiple flasher combinations (signal canceling, hazard lights, and tri-state indicators), running lights, brake lights and turn signal from one bulb Reduces size, weight, and overall complexity of the electrical system Utilizes relays to distribute all power functions, eliminating the need to run large wires to all the switches Small size of controller housing allows multiple mounting locations, both visible and hidden Weather-resistant connections for...
 
Reg:$18.95
Sale: $18.22 See Details
Use for remote access to ThuderMax ECM with Integral Autotune For use with P/N 309-460, 309-466, 309-485 Please note: Image displayed is representative of the item, but may vary depending upon your specific model.
Thunder Heart ThunderMax Oxygen O2 Sensor For 18mm Bung For Harley 309-355 Unpainted
 
Reg:$117.95
Sale: $83.25 See Details
Replacement wide band oxygen (O2) sensor with attached connector for simple hook up to ThunderMax sensor harness Requires exhaust systems with 18.00mm sensor port bungs or modification to existing head pipe may be required for proper fit and location Fits 2001-2005 models listed with ThunderMax 50 ECM P/N 309-370 Fits 2006 models listed with ThunderMax 50 ECM P/N 309-373 Fits 2008-2010 models listed with ThunderMax 50 ECM P/N 309-375 Please note: Image displayed is representative of the item, but may vary depending upon your specific model.
Thunder Heart Performance Easy Install Universal Wiring Kit With Diagnostic LEDs
 
Reg:$331.99
Sale: $269.30 See Details
Universal Electronic Control Module (EHC) The complete bike wiring solution in 1 easy to use kit Performs all fuse, relay and signal canceling functions in 1 easy to mount module Uses industry standard amp and molex connector for reduced harness clutter Separates sub-harnesses for easy serviceability Diagnostic L.E.D.s indicate short/overload circuits for easy trouble shooting
 
Lowest Price:
$899.95 See Details
California ARB-legal ECM that really performs while still meeting emission controls. It is a complete replacement engine management system for Delphi-equipped EFI Harley-Davidson models.
 
Lowest Price:
$899.95 See Details
Please note: ThunderMax requires 18.00mm x 1.50mm bungs (2008-2009 style and location) for the new wide band O2 sensors. This may require modification or relocation in your exhaust head pipe or replacement with a new aftermarket compatible exhaust system. Comes completely assembled and ready to install; no wire cutting or splicing required ThunderMax is a complete factory replacement and is NOT a Flash Tuner or in-line signal modifier Utilizes wide band 18.00mm O2 sensors for real-time AFR analysis and correction at all RPMs and load levels Operates as a closed-loop control system to...
Thunder Heart 38 Amp Charging System Kit For Harley-Davidson EA2005 Unpainted
 
Lowest Price:
$398.99 See Details
Fits Harley-Davidson Evolution and S&S Evolution models Converts an original single-phase system to a 3-phase system on any EVO and S&S EVO Digitally calibrated for optimum charging level over a wide temperature range Rugged, billet aluminum regulator housing is highly polished for a custom look Regulator operation is self temperature-compensated to control heat and optimize service life Over-temperature protection prevents catastrophic heat failure under severe operating conditions Highly efficient power conversion means more charging current is available at lower speeds for maximum battery...

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