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Our X-SERIES™ “High Pipe” 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. Our “High Pipe” was made specifically for those needing more ground clearance. Includes 18mm and 12mm O2 sensor ports, all full coverage heat shields, clamps, and install hardware. Uses stock bracket. MUST use Screamin’ Eagle Flat Gaskets to install properly (HD Part# 17048-98).

Fits 2018 – 2026 Softail Slim, Low Rider, Standard, & Street Bob only.

Fits 2018 – 2024 Low Rider ST & Heritage.

Will NOT fit the 2025 – 2026 Low Rider ST or Heritage due to the full length saddlebag.

Thunderheader™ X-SERIES™ M8 "High Pipe" – Chrome (18' - 24')

$1,899.00

Our X-SERIES™ “High Pipe” 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. Our “High Pipe” was made specifically for those needing more ground clearance. Includes 18mm and 12mm O2 sensor ports, all full coverage heat shields, clamps, and install hardware. Uses stock bracket. MUST use Screamin’ Eagle Flat Gaskets to install properly (HD Part# 17048-98).

Fits 2018 – 2026 Softail Slim, Low Rider, Standard, & Street Bob only.

Fits 2018 – 2024 Low Rider ST & Heritage.

Will NOT fit the 2025 – 2026 Low Rider ST or Heritage due to the full length saddlebag.
$1,899.00

Thunderheader™ X-SERIES™ M8 "High Pipe" – Chrome (18' - 24')

$1,899.00
Thunderheader™ X-SERIES™ M8 "High Pipe" – Chrome (18' - 24')

Our X-SERIES™ “High Pipe” 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. Our “High Pipe” was made specifically for those needing more ground clearance. Includes 18mm and 12mm O2 sensor ports, all full coverage heat shields, clamps, and install hardware. Uses stock bracket. MUST use Screamin’ Eagle Flat Gaskets to install properly (HD Part# 17048-98).

Fits 2018 – 2026 Softail Slim, Low Rider, Standard, & Street Bob only.

Fits 2018 – 2024 Low Rider ST & Heritage.

Will NOT fit the 2025 – 2026 Low Rider ST or Heritage due to the full length saddlebag.

Works Great With

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