2012 Honda Civic Si Comptech (CT-E) Stage 3 (2.95, Aftercooled) E85 & 93oct Tuned
Immaculate and one of a kind 2012 Civic Si. This car was built by the original 60+ year old owner whom put it together to be a daily driver. Most of the miles accumulated are highway miles. Last fall I personally drove the vehicle back from Colorado and began going through it piece by piece; conducting minor maintenance, installing a few personal upgrades and readying the car for it's new owner.
I am a car enthusiast at heart and have been working on cars & boats of all makes and models for 25 years. Due to the uniqueness of this vehicle I could not pass it up. I've worked hard to make sure the new owner will be thrilled to own it.
Upgrade List
Body:
Honda HFP Aero Kit (Professionally Painted, Have Receipts).UAE (United Arab Emirates) OEM Projectors with Auxbeam F-16 LED Low/High BeamsPIAA JDM H11 Fog Light Bulbs (yellow) Engine & Brakes:
CT-e Stage 3 Supercharger Kit w/2.95 pulley (approx. 40K miles, snout bearings replaced around 20K ago) IMT Idler PulleyVit Viper Aftercooler Plate (2 core) PRL CAI Kit w/Battery Relocation and extended stainless steel clutch lineZDX J37 Throttle Body/spacer EV14 1000cc injectors, DW65c fuel pump (~65% Duty Cycle 93, ~95% Duty Cycle E85 68 degrees)
Hondata Flash Pro (original 5,100’ tune, E85 & 93 850’ tunes)OEM Exhaust & RV6 Catted DownpipeCompetition Stage 3 clutch and flywheelMTEC Sport Shifter SpringsCT Engineering Short Shifter KitBoomba Racing motor mounts (top mount only)
Stop-tech drilled rotors with Hawk HPS pads F&RGoodridge stainless steel brake lines and ATE hi-temp DOT4 fluidAmsoil Signature Used Since BRAND NEW. Switched to 5w-30 when CTE installed. Changed every 3,000 miles, burns nothing.
Wheels & Suspension:
Buddy Club N+ Spec CoiloversWhiteline 22mm rear sway barEibach 24mm front sway barSkunk 2 rear camber armsMoog serviceable sway bar end links F&R.FKX front & rear strut tower bars, rear tie bar. Hardrace control arm bushings F&R.Enkei 18x7.5 RPF1 wheels. No Rash
Maintenance & Work completed Since Acquiring: Oil changed to Penzoil Ultra Platinum 5w-30 & Honda OEM A01 Filter.
Iridium Denso Sparkplugs Replaced (1-step colder)Denso Front O2 Sensor Replaced
Serpentine Belt Changed & Factory Idler ReplacedHonda MTF changed to Royal Purple Synchromax. Original owner replaced fluid every 15,000 miles since new.
Supercharger (Eaton MP62-Gen IV) unit pulled, cleaned inspected (bearings front & rear). Gear box oil changed to RedLine Shockproof Lightweight.Intake manifold, pulled cleaned inspected. Leaky original Comptech gasket replaced with Hondata Heatshield.Radiator replaced and coolant flushed. Refilled with 25% 50/50, 75% Hyper-Cool Super Coolant. NO FREEZE PROTECTION.Aftercooler core pulled, disassembled, cleaned & tested at local radiator shop. All connection o-rings replaced. Verified leak free.ProSport Boost Gauge Installed. Reads accurate to Datalogs. Engine pulls approx. -20hg/in vacuum @ idle and +12.5-13 PSI at 7,500 RPM.Brand New Yokohama A048 R-Compound DOT legal street/track tires Installed. Approximately 250 miles. Tires have not been heat cycled or shaven.Brand new BOSCH intercooler re-circulation pump installed, more size appropriate Magnuson overflow tank installed along with brand new hose-clamps and silicone tubing.3M Pro Series PPF installed. Partial hood, fenders, headlights. A full bumper cover will be added for the new owner if asking price is met, I am a 3M certified PPF installer.JL Audio 700/5v2 amplifier installed and tied into the factory Honda navigation headunit. Speakers replaced with Kenwood components front / JBL rear. Factory Subwoofer Retained.
K&N filter cleaned and lubed
The list is exhaustive and complete, please read completely before e-mailing with questions. With the modifications, tune and injector duty cycle I estimate the car to be making in the neighborhood of 350+ wheel HP on E85 and around 300 on 93. It pulls like a freight train and does not skip a beat. With further exhaust modifications, injector upgrade and a re-tune this configuration should net another 25-35 whp.
It has not been on the dyno and was re-tuned by E-Tunez after returning from Colorado (all tunes will be included). The car does have the factory limited slip differential and all operates smoothly and as intended. All gear changes are clean and quick, no grinding at any temperature. The interior is flawless and literally looks new.
The OEM exhaust was added after the original owner tried multiple high flow variations and could not find one that was quiet enough. He purchased and installed a complete OEM catback system after the supercharger installation. This exhaust coupled with the high flow cat produces a deep tone with no drone, almost stock sounding. The whine of the supercharger is the only thing you hear. With the 2.95 pulley and stock crankshaft pulley the rotors are spinning at approx. 16,500 RPM at redline. The Eaton stated RPM limit for the supercharger is around 16,850.
This would make an awesome track car or daily driver. New owner responsible for emissions law in their state. An OEM front catalytic converter is included with the car. It is currently being stored in my heated garage and not set-up for freezing temps. Again both the intercooler system and the radiator are filled with Super Coolant.
The car has an Indiana title and is free, clear and ready to sign off to the new owner. The ground clearance of the car is literally inches. I don't expect a standard articulating car carrier trailer will work. Certified checks (with 7-10 day clearing period) wire transfer accepted.
This is not a fire sale. Low ball offers will be automatically declined.
E-mail with questions or if further pictures are needed.


Seller notes:
Used
“Immaculate Condition, No Expense Spared. Second owner. See full description below.”
Year: 2012 VIN (Vehicle Identification Number): 2HGFG4A57CH704947
Mileage: 87000 Interior Color: Black
Make: Honda Number of Cylinders: 4
Model: Civic Transmission: Manual
Trim: SI Body Type: Coupe
Engine: 2.4l Warranty: Vehicle does NOT have an existing warranty
Vehicle Title: Clear Exterior Color: Orange
For Sale By: Private Seller

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