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  • MS3Pro 1984-1987 Buick Grand National Plug and Play

    From: $1,229.00

    MS3Pro 1984-1987 Buick Grand National Plug and Play (P/N: MSPNPPro-GNX8487) Fits 1984-1987 Buick Regal with the 3.8 Turbo V6, including Grand National, T-Type, and GNX. MS3Pro 1984-1987 Buick Grand National Plug and Play Model Features: Fully Plug...

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  • MS3Pro Plug and Play for 1993-1995 BMW 325 M50 and M3 S50

    From: $1,229.00

    MS3Pro Plug and Play for 1993-1995 BMW M3 E36 Replace your "413" DME with a tunable racing ECU! MS3Pro Plug and Play for 1993-1995 BMW M3 E36 allows tuning your e36 with a laptop to handle any mods you can throw at these engines! MS3Pro Plug and Pla...

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  • MS3Pro UltraSoft Hoodie – Black & Red

    $28.00

    Those nights at the track can get chilly... when you're not in your fire suit!  Our ultra soft MS3Pro Logo Hoodies are just the right balance when the temperature drops!  Available in M, L, XL, 2X & 3X. Our sleek black ultra soft logo sweatshirts...

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  • MS3Pro EVO Standalone ECU Only

    From: $1,099.00

    Introducing MS3Pro EVO. (supersedes 1st Gen MS3Pro) MS3Pro EVO is an evolution, not a revolution- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro Ultimate.  EVO does not have peak and hold injector drivers, but it d...

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  • MS3Pro EVO Standalone Engine Management System

    $1,249.00

    Introducing MS3Pro EVO Standalone Engine Management System (supersedes 1st Gen MS3Pro) MS3Pro EVO Standalone Engine Management System is an evolution, not a revolution- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro...

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  • MS3Pro ULTIMATE Complete Universal Flying Lead Harness

    $299.00

    MS3Pro ULTIMATE Complete 8' Flying Lead Harness Only (White-Black-Gray connectors with 8' pigtails) arrives with color-coded, printed wires per the pinout below. All applications.

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  • MS3Pro 24x LS Plug and Play Harness w/ ECU-EVO

    From: $1,749.00

    This COMPLETE package includes an MS3Pro EVO ECU, a 24X EVO/ ULTIMATE/ Drop On Harness  Experience the MS3Pro EVO. MS3Pro EVO is an evolution, not a revolution- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro Ul...

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  • MS3Pro EVO Complete Universal Flying Lead Harness

    $249.00

    MS3Pro EVO Complete 8' Flying Lead Harness Only (White & Gray connectors with 8' pigtails) arrives with color-coded, printed wires per the pinout below. All applications.

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  • MS3Pro 58x LS Plug and Play Harness w/ ECU-EVO

    From: $1,749.00

    This COMPLETE package includes an MS3Pro EVO ECU and 58X EVO/ ULTIMATE Drop On Harness Experience the MS3Pro EVO. MS3Pro EVO is an evolution, not a revolution- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro Ult...

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  • MS3Pro 24x LS Plug and Play Harness w/ ECU-ULTIMATE

    From: $2,049.00

    This COMPLETE package includes an MS3Pro ULTIMATE ECU, a 24X ULTIMATE specific Drop On Harness & black center expanded I/O pigtail. Experience the ULTIMATE. Developed from the MS3Pro 1st Gen platform, the Ultimate brings NEXT LEVEL capability...

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  • MS3Pro 58x LS Plug and Play Harness w/ ECU-ULTIMATE

    From: $2,049.00

    This COMPLETE package includes an MS3Pro ULTIMATE ECU, a 58X ULTIMATE specific Drop On Harness & black center expanded I/O pigtail. Experience the ULTIMATE. Developed from the MS3Pro 1st Gen platform, the Ultimate brings NEXT LEVEL capability...

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  • GM LS 24x Plug and Play Engine Harness – ULTIMATE EVO

    From: $799.00

    Designed for MS3Pro ULTIMATE plug and play installation.  HARNESS ONLY in this listing The MS3Pro 24x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today.  Save your hard earned time and money while...

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  • GM LS 58x Plug and Play Engine Harness-ULTIMATE EVO

    From: $799.00

    For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 58x crank trigger. The MS3Pro 58x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today.  Save your hard earned time and money...

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  • 4 Pin M12 Serial Cable

    $29.99

    Optional, connect MS3Pro ULTIMATE directly to your laptop with this 4 pin M12 serial cable.

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  • MS3Pro 1st Gen Wiring Harness Upgrade (for ULTIMATE & EVO)

    $22.00

    If you have a previously installed MS3Pro harness (1st Gen) and want to change to an MS3Pro ULTIMATE or EVO ECU, the upgrade path is simple.  However, complete functionality will require a few basic changes to your 1st Gen harness. Our wiring upgrade ki...

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