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The famous 1018B is back in production! With an all new bracket design, the Thunderheader™ 1018B Model Fits 1984 – 1986 FXR’s. 

Features 1 3/4″ head pipes to our patented megaphone muffler design. Includes an all new bracket, clamp, and all hardware to mount the exhaust. Heat shields sold separately.

Thunderheader™ FXR – Fits Models W/ Floorboards Only - Black (84' - 86')

$999.00

The famous 1018B is back in production! With an all new bracket design, the Thunderheader™ 1018B Model Fits 1984 – 1986 FXR’s. 

Features 1 3/4″ head pipes to our patented megaphone muffler design. Includes an all new bracket, clamp, and all hardware to mount the exhaust. Heat shields sold separately.
$999.00

Thunderheader™ FXR – Fits Models W/ Floorboards Only - Black (84' - 86')

$999.00
Thunderheader™ FXR – Fits Models W/ Floorboards Only - Black (84' - 86')

The famous 1018B is back in production! With an all new bracket design, the Thunderheader™ 1018B Model Fits 1984 – 1986 FXR’s. 

Features 1 3/4″ head pipes to our patented megaphone muffler design. Includes an all new bracket, clamp, and all hardware to mount the exhaust. Heat shields sold separately.

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