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Complete CURT Class 3 2" trailer hitch and 4-flat custom wiring kit engineered for the 2020 - 2025 Subaru Legacy Sedan. Vehicle-specific fit, plug-and-play installation, all hardware and instructions included.
This custom kit fits the following vehicles:
All Hardware and Installation Instructions Included!
Whatever your task at hand -- whether it's launching that boat before daybreak, setting up your camper before the rush or getting a final load to the dump before close -- CURT class 3 trailer hitches offer the strength needed for serious towing. They make it easy to hitch up and Bring It, offering a vehicle-specific fit and the weight capacity to handle a variety of trailers. Custom class 3 hitches are the most common type of receiver hitch for pickup trucks and SUVs. Because of their weight range, they are also found on full-size cars, crossovers and minivans. Each custom-fit class 3 hitch package is made for vehicle-specific mounting. This particular kit fits certain years of the Subaru Outback (see application info to verify vehicle compatibility). It provides a weight carrying capacity of 3,500 lbs. GTW and 350 lbs. TW. CURT class 3 trailer hitches are typically used to attach and haul utility trailers, boat trailers, campers, snowmobile or ATV haulers and more (NOTE: Never exceed the lowest-rated towing component). Each class 3 hitch has a 2" receiver tube and is tested in accordance with SAE J684 for safety. To ensure that CURT class 3 receiver hitches have what it takes for serious trailering, they are designed using a hands-on approach and are constructed with rugged, high-strength steel and precise welding. We also protect our class 3 hitches in a co-cured finish of liquid A-coat and black powder coat for superior resistance to rust, chipping and UV damage.
If your vehicle is not equipped with wiring for towing a trailer, CURT custom wiring is the ideal solution. A custom wiring harness -- also called a T-connector -- is a simple, plug-and-play electrical device that plugs into your automotive electric system and provides a standard, universal trailer wiring connection. This is done using two or more vehicle-specific, OEM-compatible connectors to plug into the taillight assembly, eliminating the need for cutting, splicing and soldering during installation. Custom wiring harnesses are made vehicle-specific, and while they are not available for all vehicles, they do offer one of the fastest, easiest and most secure ways to wire a vehicle for towing. This particular plug-in harness provides a 4-way flat connector socket and is designed to be a custom wiring harness to fit certain years of the Subaru Legacy (to verify your vehicle compatibility, see application info). It comes with all necessary wiring components to establish a reliable trailer wiring connection, as well as a dust cover to keep the connector clean when not in use. You have a picture in mind of your next destination -- maybe it's the boat landing at your favorite fishing spot, maybe it's a campsite that overlooks one of nature's masterpieces, or maybe it's the next big jobsite. However, turning that picture into a reality takes more than just daydreaming. It takes a solid connection and the right amount of power. CURT custom wiring is made with some of the most sophisticated technology in the industry and is designed to install with ease, giving you a long-lasting electrical connection for your towing hitch setup.
CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
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1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2020 - 2025 | Subaru Legacy | Sedan |
Yes, the 20 - 25 Subaru Legacy Sedan Curt 2", Class 3 Trailer Tow Hitch + 4-flat Wiring Kit 13570 (Part #CHW-2780) is designed to fit the 2020-2025 Subaru Legacy.
The 20 - 25 Subaru Legacy Sedan Curt 2", Class 3 Trailer Tow Hitch + 4-flat Wiring Kit 13570 (Part #CHW-2780) fits the following vehicles: 2020-2025 Subaru Legacy. Always verify your specific year, make, and model before ordering.
The 20 - 25 Subaru Legacy Sedan Curt 2", Class 3 Trailer Tow Hitch + 4-flat Wiring Kit 13570 (Part #CHW-2780) fits 2020-2025 Subaru Legacy models. The 2025 model year is the last year covered by this part number. For newer models, check for an updated version.
The 20 - 25 Subaru Legacy Sedan Curt 2", Class 3 Trailer Tow Hitch + 4-flat Wiring Kit 13570 (Part #CHW-2780) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
Part 56444 is designed for SUVs and vans with 12 volt negative ground electrical systems. The manual does not specify individual vehicle models or years. Confirm your vehicle has a 12 volt negative ground system before purchasing. Contact Curt Manufacturing or your vehicle manufacturer if you are unsure of your vehicle's electrical system type.
Signal circuits are rated at 6.0 amps per side. Tail and running circuits are rated at 3.0 amps total. The battery connection must be fuse-protected with a 10-amp maximum fuse. Do not exceed the product rating or the tow vehicle lamp load rating, whichever is lower, as exceeding the rating can cause loss of warranty, overheating and potential fire.
Required tools are: ratchet, cutting tool, 10mm socket, wire crimper, socket extension, wire stripper, Phillips screwdriver, trim panel removal tool, and electrical tape. Proper tools will improve the quality of installation and reduce the time required.
Yes. Locate the vehicle's battery in the engine compartment on the driver side and disconnect the negative battery terminal. Fasten this wire down and away from the battery while completing the installation. Reconnect the negative battery terminal after all other installation steps are complete.
The primary wiring locations are S1 (behind driver side taillight housing) and S2 (behind passenger side taillight housing). Additional optional locations include S3–S10 behind rear access panels, bumpers, and under the rear floor panel. The manual provides a diagram showing all ten possible wiring locations on a representative vehicle.
Open the trunk. Using a Phillips screwdriver, loosen and remove the two taillight trim fasteners and remove the trim piece. Using a Phillips screwdriver or 10mm socket, remove the taillight fasteners. Remove the taillight by pulling straight rearward. Locate the vehicle taillight wiring connectors, which will be similar to those on the new converter product. Separate the connectors from the taillight housing, taking care not to damage the locking tabs. Repeat on the other side of the vehicle.
Fishwiring is a method to push or pull an electrical wire through a blind hole. Insert a stiff wire (such as a cut-up wire hanger, rope or string) through the blind hole and locate it on the other side. Use tape to secure the harness to the fish wire and pull back up. If the fish wire or harness gets hung up, you may need to push back down, wiggle it around or twist the wire to loosen it. Make sure the fish wire is long enough to stick out on the other side.
On the driver side, route the fishwire down between the body and bumper cover. From under the vehicle, locate and attach the fishwire to the housing with the yellow wire. Pull the wire back up and attach it to the factory harness. Make sure the connectors are fully inserted with locking tabs in place. Repeat on the passenger side with the green wire.
Locate a suitable grounding point near the connector, such as an existing screw with nut in the vehicle frame. If no suitable existing point is available, drill a 3/32" pilot hole for the provided screw. The area should be free of rust, dirt and paint. Secure the white ground wire using the ring terminal and provided screw. Before drilling, check for miscellaneous items that may be hidden behind or under any surface to avoid damage and personal injury.
Route the green wire along the backside of the bumper cover. Use cable ties as needed to secure the routed wiring. Route the black power wire from the vehicle battery as shown on the provided Powered Converter Lead Instruction Sheet. Route the 4-flat to the trailer hitch and mount in an easy-to-access location. Secure any loose wires with the provided cable ties.
Locate a flat spot inside the vehicle near the yellow wire. Adhere the black converter box using the provided double-sided tape.
Use 12 GA wire or larger for the power lead to the vehicle battery. The black wire connects to the positive battery (+) terminal. The white ground wire with a ring terminal connects to the vehicle body using the provided screw (drill a 3/32" hole if necessary). A fuse holder with 10 amp fuse maximum must be installed in the power circuit; install the fuse after all other steps are complete.
Green = Right turn; Red = Brake; Yellow = Left turn; Brown = Taillight. These colors correspond to the standard trailer lighting functions.
When passing the power wire through sheet metal, use an existing grommet, add a grommet, or use silicone to protect the power wire from sharp edges. Secure the power wire to the vehicle chassis using the cable ties provided.
The battery connection must be fuse-protected with a 10-amp maximum fuse. Exceeding this rating can cause loss of warranty, overheating and potential fire. Install the fuse after all other installation steps are complete.
Once the 12 volt power wire is connected to the harness, verify that the harness is functioning by attaching the battery and testing with a test light, 4-flat tester, or a functioning trailer. Install the provided 4-flat dust cover to help prevent corrosion.
Periodic inspection of all wires and connections should be performed to ensure there is no visible damage or loose connections.
The Curt 56444 is designed for SUVs and vans with 12 volt negative ground electrical systems. Confirm your vehicle meets these requirements before purchasing.
You will need a ratchet, 10mm socket, socket extension, Phillips screwdriver, trim panel removal tool, wire crimper, wire stripper, cutting tool, and electrical tape.
Drilling is required only if no suitable existing grounding point is available. If needed, drill a 3/32" pilot hole for the ground wire screw. Always check for hidden items before drilling.
Exceeding the product rating or tow vehicle lamp load rating can cause loss of warranty, overheating and potential fire. Do not exceed 6.0 amps per signal circuit side or 3.0 amps total for tail and running circuits.
The manual does not specify vehicle make, model, or year compatibility. Contact CURT Product Support at 877-287-8634 or visit curtmfg.com for fitment information.
The CURT 13570 has a gross trailer weight (GTW) capacity of 3,500 lbs. and a tongue weight (TW) capacity of 350 lbs. Never exceed your vehicle manufacturer's recommended towing capacity.
Required tools: ratchet, torque wrench, sockets (10mm and 17mm), 8" socket extension, exhaust hanger removal pliers, aviation shears or hole saw, flathead screwdriver or panel trim removal tool, and safety glasses. A 5/8" open-end wrench can substitute for exhaust hanger removal pliers.
Installation is rated as moderate difficulty. The manual does not require professional installation, but proper tools and mechanical knowledge are necessary. Installation involves exhaust lowering, drilling, and precise torque specifications.
The manual does not mention battery disconnection. This hitch appears to be mechanical only with no electrical components.
Yes. You must cut a 1-1/2" diameter hole in the muffler heat shield(s), positioned 2-3/4" behind the front-most mounting hole. Use aviation shears or a hole saw. This modification is required to clear the mounting plate(s).
Cut a 1-1/2" diameter hole in the heat shield(s), positioned 2-3/4" behind the front-most mounting hole. Use aviation shears or a hole saw.
Yes. The installation requires lowering the exhaust. You must remove the two rearmost rubber exhaust isolators from the frame-mounted hangers and the exhaust hanger near the rear differential. Support the exhaust during installation to prevent damage. If the vehicle has dual exhaust, repeat on both sides. The exhaust is reinstalled after the hitch is mounted.
Use an exhaust hanger removal tool to remove the two rearmost rubber exhaust isolators from the frame-mounted hangers. If you do not have exhaust hanger removal pliers, use a 5/8" open-end wrench: slide it up to the rubber isolator cradling the hanger rod, place the flat edge of a pry bar between the wrench and the hanger stop or rod, then rotate the pry bar toward the wrench. Spraying lubricant or soapy water on the hanger rod and isolator eases removal.
Yes. Remove the four M6 x 1.0 muffler heat shield bolts using a 10mm socket and remove the heat shield. If the vehicle has dual exhaust, repeat on both sides. After removing the heat shield, cut a 1-1/2" diameter hole in it (or them), positioned 2-3/4" behind the front-most mounting hole. Reinstall the heat shield(s) after the hitch is mounted and the exhaust is raised back into position.
The fishwire tool guides the carriage bolts and spacers through the vehicle frame rail mounting holes and access holes. Insert the coiled end of the fishwire through the hitch mounting hole in the frame rail and out the access hole. Pass the coiled end through the spacer and thread the bolt into the coil. Kink the wire to keep the spacer separate from the bolt. Pull the fishwire, spacer, and bolt through the frame and out the mounting hole. This prevents loss of bolts or spacers inside the frame rail and guides the hitch during mounting.
The hitch uses four mounting locations. You will fishwire four 7/16" carriage bolts and four square-hole spacers into the frame rail through the forward access holes, one at each location.
Remove the three rubber plugs in each frame rail before fishwiring the carriage bolts and spacers into the forward access holes.
Loosely secure the hitch to the vehicle with the provided 7/16" serrated-flange nuts while using the fishwire as a guide and after centering the hitch on the vehicle. Do not fully tighten until after you have centered the hitch. Final torque is applied in Step 5.
Torque all 7/16" hardware to 70 ft-lbs using a 17mm socket and torque wrench.
Use a 17mm socket with a torque wrench to torque all 7/16" hardware to 70 ft-lbs.
The kit includes: four 7/16" carriage bolts, four square-hole spacers (7/16" x 0.88" x 2.25"), four 7/16" serrated-flange nuts, two 7/16" flat washers, and two 7/16" fishwire tools.
The two 7/16" flat washers are placed between the hitch and the frame on the rearmost mounting holes.
After raising the trailer hitch into position with the flat washers between the hitch and frame on the rearmost mounting holes, center the hitch on the vehicle before loosely securing it with the 7/16" serrated-flange nuts. The manual does not specify a measurement or alignment method for centering.
Periodic inspection of the trailer hitch should be performed to ensure all mounting hardware remains tight and structural components are secure. The manual does not specify an inspection interval or detailed inspection procedure.
Safety glasses must be worn at all times during installation. Support the exhaust during installation to prevent damage. Never exceed your vehicle manufacturer's recommended towing capacity when using the hitch.
The manual does not specify whether additional people are required. The installation involves raising and lowering the exhaust and positioning the hitch, which may benefit from a second person, but this is not explicitly stated.
The manual does not specify whether a lift, jack, or other lifting equipment is required. Contact CURT Product Support at 877-287-8634 for guidance on vehicle access and support requirements.
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