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Auxiliary Harnesses

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Holley Sniper EFI
Sniper EFI Fabricated Race Series Intake Manifold - GM LS1/LS2/LS6 - Silver
Hi-Ram Sheet Metal Fabricated Intake Manifold LS1/LS2/LS6 90mm Race Series w/ Removable top, Throttle Body Spacer & Fuel Rail Kit w/ Sniper EFI Logo - Silver
Part# 832141
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$1,231.95
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Dinan
Replacement Filter for High Flow Carbon Fiber Intake - 2018-2023 BMW M5
F90
Part# D401-0026
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$89.95
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Auxiliary Harnesses

Shop Holley EFI auxiliary harnesses for your engine management wiring needs. Explore Dominator J2A, J2B, J3 and J4 harnesses, plus J1A/B input and output harnesses for Dominator, HP EFI, Terminator X and Terminator X Max.