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Showing 17–32 of 67 results

  • Buick Grand National 1984-1987 MS3Pro PNP Plug and Play

    5 out of 5
    From: $1,149.99

    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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  • BMW 325i/E36/M3 525/E34 1993-1995 MS3Pro PNP Plug and Play

    From: $1,249.99

    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

    $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! Our sleek black ultra soft logo sweatshirts feature a two-color MS3Pro logo with...

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  • MS3Pro EVO Standalone Engine Management System – ECU Only

    From: $1,299.99

    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 w/ Harness

    $1,599.99

    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 Standalone ECU Only

    $1,049.00

    IMPORTANT PRODUCT UPDATE** MS3Pro-ECUPKG has been discontinued and superseded by MS3Pro EVO effective May 1, 2017.  This product page, including documentation, downloads & product FAQ tabs below, remains active for archive purposes.   Compare M...

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  • MS3Pro ULTIMATE Wiring Harness – Universal Flying Lead

    $349.99

    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 ULTIMATE – Center (Black) Harness Only

    $59.00

    MS3Pro ULTIMATE adds nearly 50% more I/O with the addition of a third AMPSEAL 23-pin, 8' flying lead.  Harness arrives with color-coded, printed wires per the pinout below (black center connector) ***Center Harness ONLY in this listing, intended for p...

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  • MS3Pro EVO Wiring Harness – Universal Flying Lead

    $299.00

    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 EVO with GM LS 58x Plug and Play Harness

    From: $1,899.99

    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 ULTIMATE with GM LS 24x Plug and Play Harness

    From: $2,099.99

    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 Plug and Play GM LS Alternator Lead Extension Harness

    $26.99

    30" extension for GM LSx alternator subharness.  Our harness will require this if used with Camaro, Firebird, GTO, or CTS-V accessory drives. You can also use this with aftermarket brackets that move the alternator to a low mount position or relocate it ...

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  • MS3Pro ULTIMATE with GM LS 58x Plug and Play Harness

    From: $2,099.99

    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 – for MS3Pro Ultimate/Evo

    From: $899.00

    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 – for MS3Pro Ultimate/Evo

    From: $899.00

    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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  • AMPEFI Transmission Controller with 4L80E Subharness

    $499.99

    4L80E Plug and Play Transmission Control  Seamlessly control your 4L80E transmission with AMPEFI Transmission Control! The supplied 4L80E subharness provides a simple, plug and play integration with MS3Pro and directly mates with our LSx drop on ha...

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