2015-2021 Subaru STI
AEM X-Series In-Line Wideband AFR Controller
Current price
$211.95
$211.95
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$211.95
Current price
$211.95
Original price
$238.95
Original price
$238.95
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Original price
$238.95
Original price
$238.95
AEM’s X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers are built upon unique, patented, 100% digital technology that makes them the fastest...
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AEM Front Strut Tower Bar Wrinkle Red 2015-2021 WRX/STI
$346.99
$346.99
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$346.99
Current price
$346.99
Original price
$346.99
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Original price
$346.99
Original price
When a car equipped with a McPherson Strut suspension system, like the 2015 Subaru WRX 2.0L or WRX STi 2.5L, is being driven through a turn there i...
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AEM Cold Air Intake Wrinkle Red 2018 STI
$349.99
$349.99
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$349.99
Current price
$349.99
Original price
$349.99
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Original price
$349.99
Original price
The AEM 21-836WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle’s restrictive factory air filter...
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AEM Cold Air Intake 2019-2021 STI
$369.99
$369.99
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$369.99
Current price
$369.99
Original price
$369.99
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Original price
$369.99
Original price
SPECS: Tuned and dyno-tested to improve acceleration and engine sound Low restriction aluminum intake pipe Intake pipe will come powder-coated a w...
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