Showing 1–16 of 43 results
MS3Pro EVO Universal Harness
$249.00MS3Pro 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.
Add to cart
MS3Pro ULTIMATE Universal Harness
$299.00MS3Pro 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.
Add to cart
MS3Pro ULTIMATE Center Harness
$49.00MS3Pro 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 ...
Add to cart
MS3Pro ULTIMATE Uncrimped AMPSEAL Connectors
$82.00Planning to make your own ULTIMATE harness? This plug and pin kit features the MS3Pro ULTIMATE AMPSEAL white, black & gray connectors, plus 100 pins- more than enough for making your own!(EVO/ 1st Gen 2-connector AMPSEAL Kit sold separately)
Add to cart
MS3Pro 1st Gen Wiring Harness Upgrade (for ULTIMATE and EVO)
$22.00If you have a previously installed MS3Pro harness (1st Gen flying lead or LS Drop On Harness) and want to upgrade to MS3Pro EVO or ULTIMATE ECU, the upgrade path is simple. However, complete functionality will require a few basic changes to your 1st Ge...
Add to cart
Refurbished MS3Pro Gen1 Standalone ECU
From: $812.25While supplies last, Refurbished MS3Pro Gen1 standalone ECU with TunerStudio license, documentation & installation files via USB drive. HARNESSES ARE NOW AVAILABLE, just add one!Visit the MS3Pro 1st Gen archive page for a complete list of featur...
Add to cart
MS3Pro 1984-1987 Buick Grand National Plug and Play
From: $1,229.00The MS3Pro 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.Buick Grand National Plug and Play Model Features:Fully Plug and Play Installation ...
Add to cart
BMW E36 MSPNP Pro/MS3Pro Plug and Play
$1,229.001993, 1994, 1995 BMW E36 MS3Pro Plug and Play Standalone Engine Management System Replace your "413" or "506" DME with a tunable racing ECU! This BMW E36 ECU allows tuning your 1993-1995 BMW E36 (including the 1995 BMW M3!) with a laptop to handle any mo...
Add to cart
MS3Pro Premium Cut Vinyl Logo Decal
$3.00 – $5.50At bare minimum, your laptop, race car, trailer and toolbox MUST have stickers! Support your ECU brand of choice with a premium cut vinyl MS3Pro logo! Available in BLACK or WHITE in 2 sizes!
Select options
MS3Pro Ultra Soft Logo Hoodie Sweatshirt
$28.00When you're not in your fire suit, the track can be a chilly place in the evening! Stay warm this winter with our ultra soft MS3Pro Logo Hoodies - just right when the temperature drops! Available in M, L, XL, & 2X.Features a two-color MS3Pro l...
Select options
MS3Pro EVO GM LS 24x Plug and Play
From: $1,749.00MS3Pro EVO GM LS 24x Plug and Play includes an MS3Pro EVO ECU, TunerStudio software and the most rugged & durable GM 24X custom harness in the aftermarket. Experience the MS3Pro EVO.MS3Pro EVO is an evolution, not a revolution- a scaled u...
Select options-
MS3Pro EVO GM LS 58x Plug and Play
From: $1,749.00MS3Pro EVO GM LS 58x Plug and Play includes an MS3Pro EVO ECU, TunerStudio software and the most rugged & durable GM 58X custom harness. Experience the MS3Pro EVO.MS3Pro EVO is an evolution, not a revolution- a scaled up, more capable MS3...
Select options 
MS3Pro Ultimate Standalone Engine Management System
$1,499.00Experience the MS3Pro ULTIMATE by AMP EFI, featured in Street Outlaws No Prep Kings contestant, The Hulk.Developed from the MS3Pro 1st Gen platform, the MS3Pro ULTIMATE brings NEXT LEVEL capability to MS3Pro's staggering feature set beginning with a...
Add to cart
MS3Pro ULTIMATE by AMP EFI
$1,349.00Experience the MS3Pro ULTIMATE by AMP EFI, featured in Street Outlaws No Prep Kings contestant, The Hulk.MS3Pro ULTIMATE by AMP EFI brings NEXT LEVEL capability to MS3Pro's staggering feature set beginning with a new high quality aluminum IP65 rated...
Add to cart-
MS3Pro EVO Standalone Engine Management System
$1,249.00Introducing 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. MS3Pro EVO does not have peak and hold injector drivers, b...
Add to cart 
MS3Pro EVO by AMP EFI
From: $1,099.00Introducing MS3Pro EVO by AMP EFI (ECU only) MS3Pro EVO by AMP EFI is an evolution, not a revolution- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro Ultimate. MS3Pro EVO by AMP EFI does not have peak and hold inj...
Add to cart