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The Kooks 8-inch front O2 sensor extension harness for 2018+ Ford Mustang is a 5-pin oxygen sensor extension included with some header kits or used as a replacement for damaged extensions. Kooks products are handcrafted in the USA, dyno and race tested for power, and backed by a limited lifetime warranty; materials include T304 aircraft-quality stainless steel where applicable in their exhaust components.
Kooks 18+ Ford Mustang 8in. Front O2 Extension Harness
