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.

Kit includes 3 high-temp rubber block-offs,
plus a PAIR valve eliminator plug to fool
the ECU into thinking it is still connected
& prevent it from throwing up an error code

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

2005-10 GSR600
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