2004 Subaru Impreza Wrx Sti

Sale price: $22000,00 make an offer

Technical specifications

Fuel Type:Gasoline
Interior Color:Blue/Black
Engine:Built EJ257 w/ GT35R
Number of Cylinders:4
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Current customer rating: current rating for this car (3)
based on 3 votes



Selling my 2004 STI with a built engine. I've had this car for a year and a half. It was a Tennessee car for the first 10 years of its life, and it has never seen winter since it has been in Michigan. It has a well maintained interior that has never been smoked/vaped in. It has <56k miles on the chassis, and <30k on the built engine. The previous owner had the engine built by TopSpeed Motorsports in Atlanta, GA, one of the best Subaru shops on the East Coast. It comes with multiple tunes by Scott Siegel, one of the best Subaru tuners in the country, who tuned the car for approximately 12 hours to ensure it was as good AND as safe for the engine as it could possibly be.
The hood scoop was recently repainted and the vehicle comes with a bottle of touch up paint that was matched to the vehicle's exact paint color in June 2017.
Suffers from phantom misfire codes. CEL sets periodically. The previous owner changed plugs and wires, and had injectors leak/flow tested and all are good. Phantom misfiring is a common problem with lightweight flywheels.
Feel free to contact me with any questions or if you want additional pictures. This is a near showroom quality car with a ton of additional horsepower, yet built with safety and reliability in mind to eliminate the common EJ257 power issues.
Asking price is $22k OBO, will consider ALL reasonable offers and will consider trades + cash on EITHER end for the right car. Clean MI title in hand.
The modifications are as follows:
TopSpeed RR1 Longblock (Pinned, improved main and rod bearing oil flow, 600+ awhp capable)
JE Pistons
Manley Rods
GSC Stage 2 cams
1mm Oversized valves
ACL rod & main bearings
Valve Springs and retainers
ARP studs (main and head)
Ported and Blueprinted Oil Pump Assembly
Deatschwerks 850CC Injectors
Walbro 255 Fuel Pump
Hallman Pro Manual Boost Controller
Perrin Stealth Front Mount Intercooler
Tial 44mm External Wastegate
Tial 50mm BOV
Moroso Aluminum Racing Oil Pan
Ultimate Racing GT35r .63 A/R kit
Ultimate Racing Downpipe mated to an Invidia G200 catback Exhaust
ACT 6-Puck Unspring Clutch
Lightweight Flywheel
JDM STI Spec-C Methanol Tank & System
Defi BF Amber Boost Gauge Pillar Mounted
Suspension & Exterior:
Racecomp Engineering Tarmac II Coilovers tuned specifically for vehicle
STI Group-N Rear Tophats
Whiteline front camber plates
Advan RGII 17x8.5 Wheels in Gold
RallyArmor UR Mudflaps in Red
Blue Batmobile vinyl headlight & taillight covers
Kumho Ectsa 4X II 246/40ZR17 91W all around with ~0.25 in tread left
CarboTech Autocross Front Pads
Tuning & Numbers:
Cobb AccessPort V2 Engine Management with recently replaced screen by COBB.
On a conservative tune, made 390whp/~368wtq at 21 psi and 93 octane, and 451.1whp/~387.5wtq at 26 psi and 93 octane + methanol, all on a DynoDynamics dyno. DynoJet numbers would be about 15% more.
Comes with an additional anti-theft tune which disables all injectors.
Additional Parts (Not Installed):
GReddy Turbo Timer
65 mm MAF housing w/ Cone filter
Heavier weight wastegate spring (specific weight unknown)

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