FUEL INJECTORS For BAJA FORESTER IMPREZA
specification & Features
Manufacturer Part Number
16600-AA170
OE/OEM Part Number
16600-AA170
Interchange Part Number
16600AA170, 16600-RR543 16600RR543
Type
Fuel injector
Fuel Type
Gasoline
Material
Metal+Plastic
Manufacturer Warranty
1 Year
About Product
Our high-performance fuel injectors will make your Subaru WRX STI, Forester XT, Legacy GT, or Baja Turbo even better. These direct replacement injectors have a precise 4-hole nozzle design that atomizes gasoline 30% better, which means smoother acceleration and better MPG. They are made of stainless steel and have Viton seals that don't break down in ethanol. They fix problems like starting up slowly, leaking gasoline, and running lean (P0171). Great for daily driving, fixing high-mileage cars, and Stage 1-2 tuning. Plug-and-play installation with OEM flow rates (380cc/min)-no need to tune the ECU for standard cars. There is a 12-month warranty. Fix problems with the turbo fuel distribution and get your Subaru's performance back to normal now!
Products Advantage
1. A precise 4-hole nozzle design for better fuel atomization
Our Subaru turbo fuel injectors have a more advanced 4-hole laser-drilled nozzle that makes a finer fuel spray pattern than original single-hole injectors. This new technology atomizes fuel 30% better, which greatly increases combustion efficiency in:
2010–2012 Forester XT/WRX STI models: Reduces turbo lag when you speed up quickly
2004–2009 Legacy GT/Outback XT: Gets rid of the "stumble" that happens at 2,500–3,000 RPM
Baja Turbo (2004–2006): Makes sure that fuel flows smoothly while carrying big loads.
2. Viton seals that don't break down in ethanol for long-term dependability
These Subaru performance fuel injectors have special Viton rubber seals that can handle:
Gasoline blends of E10 to E15 are typical in North American markets.
Turbocharged applications can get very hot under the hood, up to 125°C/257°F.
Especially helpful for:
Driven every day 2007–2012 Impreza WRX: Stops seals from breaking down in stop-and-go traffic heat cycles
A lot of miles 2004–2006 Legacy GT: Fixes problems with fuel smell that happen when OEM seals wear out
3. Plug-and-play installation with a flow rate that is the same as the OEM's (380cc/min ±2%)
Carefully calibrated to meet Subaru's factory standards for smooth ECU integration:
No tweaking needed for stock Forester XT and Outback XT from 2008 to 2012
Keeps the proper air-fuel ratio in the stock 2009–2012 WRX STI with Turbo VF48
2005–2007 Baja Turbo with the original TD04 turbocharger
Comes with O-rings that have already been oiled to make sure there are no leaks.
4. Made of stainless steel that can handle high temperatures
The stainless steel body that was cut with a CNC machine gives:
50% better in getting rid of heat than competitors with aluminum bodies
Protection against rust for places with high humidity or along the shore
Important for tough tasks in:
Changed STI sedans from 2011 to 2012 with greater boost pressures
2004–2006 Forester XT models that were used off-road and were dirty or damaged
5. EV1 Connectors Work with All Generations
Keeps the original wiring harness connected for:
Baja Turbo and Legacy GT were among of the first versions (2004–2006).
WRX STI and Forester XT are later models (2007–2012).
No need for: Adapter harnesses needed by some aftermarket injectors ECU recalibration when replacing broken OEM units
6. Technology for Nozzles That Clean Themselves
The anti-coking design stops:
Carbon accumulation in cars with low mileage 2010–2012 Impreza 2.5GT: Problems with idle in 2004–2009 Outback XT that aren't driven often
Clears on its own:
Fuel varnish builds up during normal use
Micro-debris from fuel that is not clean
Main application scenarios
Driving to work every day and in the city
Our fuel injectors for the Subaru Forester XT and Impreza WRX work well in stop-and-go traffic. The precise design of the 4-hole nozzle gets rid of problems that often happen, such as:
2008–2012 WRX/STI vehicles sometimes hesitate when they speed up.
High-mileage 2004–2009 Legacy GT sedans have rough idling.
Problems with starting in the cold in northern climates
Great for people that commute and need:
✔ Throttle response that is always the same in cities
✔ Better gas mileage (3–5% better than worn-out OEM injectors)
✔ Works well in cold conditions down to -30°F (-34°C)
Taking care of your family and adventure vehicles
Make sure your Subaru Outback XT or Baja Turbo runs well so you can take it for road trips and do family chores.
These injectors fix:
Fuel smell in the interior (common in Outback XT wagons from 2005 to 2009)
RPMs that aren't stable when carrying heavy loads
Check engine lights (P0171/P0174) come on when you drive for a long time on the highway.
Needed for:
- Safe use of ethanol-blend fuel (works with E10 to E15)
- Baja Turbo versions can tow boats and ATVs
- Good performance at high altitudes in the mountains
Repairs in an emergency and restoration of high-mileage vehicles
Direct replacement for OEM injectors that are deteriorating, which causes:
Fires that went wrong in 2004–2006 Baja Turbo (P0300–P0304)
Fuel leaks at the rail in the Forester XT from 2007 to 2012
All turbos lose power when they boost Subarus
The design with Viton seals gives:
- Easy to install (no tuning needed for standard cars)
- Fixing lean situations right away
- Restored factory performance in engines with more than 150,000 miles on them
Tuning and performance upgrades
Unlock your Subaru's full potential with injectors that work with:
Stage 1–2 songs for WRX/STI from 2008 to 2012
Bigger turbo conversions (VF48/Blouch DOM 1.5XTR) work with E85 when partnered with other upgrades.
Some benefits for performance are:
- Proper adjustment can make the spool time 15% faster.
- Safe AFRs at boost levels of 18 PSI or higher
- Stopped fuel starvation when going around tight corners
why choose us
why choose our products
One-stop manufacturing of fundamental parts like vehicle sensors and engine injectors is the focus of our own production base. Ne can lower prices by more than 17% without having to pay a middleman. They can also respond to orders and make custom mass production within 30 days. They can also control every step of the process, from precision laser welding to strict quality inspection, to make sure that the quality meets OE standards. This helps customers around the world buy things without worrying about the cost.
Frequently Asked Questions
1. Will they work with my 2006 Subaru Baja Turbo?
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Yes! These fuel injectors are direct replacements made just for 2004–2006 Baja Turbo models with EJ255 engines (OEM# 16600-RR543).
2. Do I need specific equipment to put them in my 2011 Forester XT?
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No special tools are needed. Comes with O-rings that have already been lubricated to make installation easier. You only need basic hand tools to take off the fuel rail.
3. Will they work with E85 fuel in my modified 2012 WRX STI?
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Not a good idea to use full E85 without other mods to support it. Our Viton seals securely handle E10-E15 mixtures.
4. Will these work with an aftermarket fuel pump in my 2009 Legacy GT?
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Fits perfectly! Keeps the right flow rate of 380cc/min even with Walbro 255 enhancements.
5. Does my standard 2008 Impreza WRX need an ECU tune?
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Not necessary for standard cars, but highly advised if you have modified the intake or exhaust.
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