The PAIR / SMOG system feeds fresh air into the
exhaust to aid in the combustion of unburned fuel.
It was designed to improve emissions but will cause
problems with many aftermarket exhausts/mufflers.

Plate is machined from billet aluminium.
High temp. rubber airbox caps are included.

Fix exhaust popping & backfiring with aftermarket cans.
Achieve true A/F ratio for Autotune/mixture adjustment.
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Fits the following:

2000-24 DR-Z400/E/S/SM
2019-24 DR650
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