Recommended 10 Foot 7-way Trailer Connector Extension  

The Curt Tow Bar Extension Cord w/ Socket #C39HR would not be the best choice for what you are needing. Instead you will want to go with the Hopkins Endurance Universal 5th Wheel/Gooseneck 7-Way RV Extension Cord #HM20049. The Hopkins Endurance…

The length of the ball mount used in a trailer hitch does not affect the amount of tongue weight (TW) applied to the hitch ball by the trailer, but it does affect the amount of stress applied to the hitch's receiver tube by the ball mount. A very…

Yes, all of the hitches we carry for your 2020 Audi Q7 require fascia trimming. The Curt, part #C13277 has the least amount of trimming. I've attached pictures that show how much trimming is needed for each hitch. Despite the Curt requiring less…

The Stealth hitch kit part #391AUDQ716T has a trailer towing capacity of 9,000 lbs so it would easily handle the 7,700 lb towing capacity of your 2017 Audi Q7. It also comes with a ball mount setup and trailer wiring so it takes care of everything…

The capacity of a towing system is limited by it's lowest rated component. There are hitches in our lineup rated for more than the 6,000 lbs referenced, such as the etrailer Trailer Hitch Receiver #e88KR so as long as the 2019 Audi Q7 is capable…

Hi, if there is no hitch installed on your 2017 Audi Q7 I suggest the Curt Class III Receiver Hitch #C13277. It has a 700 pound tongue weight and a 7000 pound towing weight. The harnesses we have for this Audi all have powered converter boxes. This…

The Curt Echo Mobile Brake Controller #C51180 that you referenced can work in all angles as we have tested for this and it always works great regardless of 7-way orientation on the vehicle. The inertia sensor does not require the controller to face a…

With the Curt Triflex part #C24VV and the Curt Adapter part #C51522 you will have all you need to successfully install your controller. I have linked a video for you showing the operation of the controller. Check it out to familiarize yourself with…

Good news, the Curt Echo does not have to be mounted level for it to function properly. The 45 degree angle of your 7-way plug does not make a difference in the functionality because of the unit's triple-axis accelerometer. The accelerometer is…

Adding an extension to your 7-way would not negatively affect the performance of the Curt Echo Mobile #C51180 that you referenced. As long as all of the circuits are active the extension would not have any affect on anything.

There are two different locations for your PIN for the Curt Echo Wireless Trailer Brake Controller - 1 to 2 Axles - Proportional #C51180. One is under the cap on the Echo itself. The other is on the quick reference card that came with the Echo. This…