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The Haltech Elite 2500 ECU paired with a Plug 'n' Play Adaptor Harness Kit provides a powerful, seamless engine management upgrade for the Mazda RX7 FD3S Series 6 (1992–1995, 2-row ECU plug, manual transmission only). Built for high-performance and motorsport applications, this system delivers advanced control, race-ready features, and exceptional tuning flexibility with minimal wiring effort.
Important Emissions Notice:
This product is intended for sanctioned off-road or competition use only and is not legal for public road use unless a regulatory exemption applies.
Key Features:
Direct Plug 'n' Play ECU solution for Mazda RX7 FD3S S6 (1992–1995, 2-row ECU plug)
Manual transmission only
Elite 2500 ECU with:
Drive-by-Wire throttle control
Dual knock control with engine position synchronization
Variable camshaft control (up to 4 cams)
Closed loop O2, idle, and boost control
Flex fuel tuning via direct ethanol content input
Launch control, anti-lag, rolling start boost hold
Up to 4D tuning with long-term learning
CAN Bus integration for Haltech dashes and supported OEM CAN/OBDII systems
USB communication with NSP Calibration Software
ECU Technical Specs:
8 x Fuel Injection Outputs
8 x Ignition Outputs
12 x Digital Outputs
10 x Analog Voltage Inputs
4 x Synchronized Pulsed Inputs
4 x Dedicated Inputs (Knock, Ignition Switch, Onboard MAP Sensor)
2 x Engine Position Inputs
Waterproof IP67-rated enclosure
Includes:
Haltech Elite 2500 ECU with DBW and Race Functions
Injection-molded Plug 'n' Play adaptor harness
M14 x 1.5 air temp sensor with matching plug and pins
16-pin TYCO auxiliary I/O plug and pins
USB programming cable
Vehicle Fitment:
Mazda RX7 FD3S Series 6 (1992–1995)
2-row ECU plug
Manual transmission only
Brand: Haltech
SKU: HT-151328
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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