JB4 MAP Sensor Bypass Extensions
Make your JB4 install painless. These plug-and-play extension harnesses relocate the difficult upper rear MAP sensor connection to an easy-to-reach spot — for the Toyota Tundra, Sequoia, Lexus LX 600 & GX 550 3.5L twin turbo.
Simplify Install & Removal
The factory upper rear MAP sensor is buried and awkward to reach every time you install or remove a JB4 or other piggyback system. These extensions let you bypass it — attach the connectors to each other and mount them high in an easy-to-reach location.
The result: quick, clean disconnection whenever you're re-installing or pulling your tuner. Sold in pairs (two harnesses included).
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📦 What's Included
(2) Tundra / Sequoia / Lexus LX 600 & GX 550 JB4 MAP Sensor Bypass Extension Harnesses.
Cancellation / Return Notice: This product may be submitted directly to Burger Motorsports for fulfillment shortly after purchase. Once submitted to the manufacturer, the order is final and may no longer be eligible for cancellation or return.
FAQ
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What do these do?
They bypass the hard-to-reach upper rear MAP sensor so you can install or remove a JB4 (or other piggyback) far more easily.
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How many come in the set?
Sold as a pair — two extension harnesses.
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Which vehicles fit?
Toyota Tundra, Sequoia, and Lexus LX 600 & GX 550 with the 3.5L twin-turbo engine.
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Are they plug and play?
Yes — direct factory connectors, no cutting or splicing.
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