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Our X-SERIES™ Exhaust is our newest line in creating maximum horsepower. With our 2″ head pipes, equal length tubes, and a larger collector, this exhaust is made specifically for Harley-Davidson’s Milwaukee-Eight™ engine. Includes full coverage heat shields. 18mm and 12mm O2 sensor ports, clamps, bracket, and install hardware. MUST use Screamin’ Eagle Flat Gaskets to install properly (HD Part#17048-98).

The 1364XB Model Fits 2018-2026 Softail models WITHOUT saddlebags.

Will NOT FIT Breakout & Fat Boy.

Thunderheader™ X-SERIES™ Softail 2-In-1 Exhaust – Chrome (18' - 26')

$1,839.00

Our X-SERIES™ Exhaust is our newest line in creating maximum horsepower. With our 2″ head pipes, equal length tubes, and a larger collector, this exhaust is made specifically for Harley-Davidson’s Milwaukee-Eight™ engine. Includes full coverage heat shields. 18mm and 12mm O2 sensor ports, clamps, bracket, and install hardware. MUST use Screamin’ Eagle Flat Gaskets to install properly (HD Part#17048-98).

The 1364XB Model Fits 2018-2026 Softail models WITHOUT saddlebags.

Will NOT FIT Breakout & Fat Boy.
$1,839.00

Thunderheader™ X-SERIES™ Softail 2-In-1 Exhaust – Chrome (18' - 26')

$1,839.00
Thunderheader™ X-SERIES™ Softail 2-In-1 Exhaust – Chrome (18' - 26')

Our X-SERIES™ Exhaust is our newest line in creating maximum horsepower. With our 2″ head pipes, equal length tubes, and a larger collector, this exhaust is made specifically for Harley-Davidson’s Milwaukee-Eight™ engine. Includes full coverage heat shields. 18mm and 12mm O2 sensor ports, clamps, bracket, and install hardware. MUST use Screamin’ Eagle Flat Gaskets to install properly (HD Part#17048-98).

The 1364XB Model Fits 2018-2026 Softail models WITHOUT saddlebags.

Will NOT FIT Breakout & Fat Boy.

Works Great With

    • RETURN & EXCHANGE
    • YOUR NEAREST DEALER
    • E-GIFT CARD
    • MILITARY DISCOUNT