WARNING! THIS PRODUCT IS FOR OFF-ROAD MOTORSPORT/COMPETITION RACING USE ONLY, NEVER TO BE USED ON ANY POLLUTION CONTROLLED MOTOR VEHICLE.  HA Motorsports specially prepared ECU for use in 05-06 RSX Type-S. This ECU is setup for simple plug-in installation of the KTuner End User system without any further modification. Will fit plug-n-play in 2005-2006 RSX Type-S, or in 2002-2004 with the KTuner Jumper Harness. FEATURES: Fits plug-n-play into 05-06 RSX Type-S without any wiring changes ECU circuit board is socketed to accept the KTuner end user board system or KTuner dealer reflash. ECU circuit board is fully cleaned and inspected. ECU casing is fully reconditioned using our glass bead blasting process. FREE clear ECU lid. No core required, you can keep your original ECU. NOTE: This ECU can also be used as a K-swap ECU in other chassis (EG, EK, DC2 etc) as long as you use an 05-06 style engine harness. Why choose an HA Motorsports ECU? All HA Motorsports ECU's are produced completely in-house. This allows us to have complete control over the entire production process to make sure you will receive nothing but the best. All HA Motorsports ECU circuit boards are socketed and modified right here in our facility using our quality components, then thoroughly tested on our state-of-the-art testing equipment to ensure complete quality control. ECU casings are completely restored to like new condition using our glass bead blasting process. All HA Motorsports ECU's, products, and services include a One Full-Year VIP Warranty. Full product support is available after purchase. Unlike other companies that only want to "make the sale", we stand behind our products. Full product and tech support is available if needed so that you can get the most from your purchase.