- Description
- Fitment
- Refund Policy
The goal for ADRO's aero program for the 992.2 GT3 wasn't to reinvent the car. It was to make it faster where it counts: more downforce, at minimal drag cost, without disturbing the front-to-rear balance Porsche already tuned in. Every component in this kit earns its place by contributing to that single objective.
The rear diffuser runs the full length of the car's underside, with vertical fins that stabilize airflow as it exits behind the vehicle. As underbody air transitions from the low pressure beneath the car back to atmospheric pressure, that expansion zone is where flow separation typically happens — the fins manage that transition by spinning up vortices instead of letting it turn turbulent, protecting the downforce the rest of the underbody worked to create.
The fins bolt on individually, so if one gets damaged you replace just that fin rather than the whole diffuser — a practical detail for a part that lives this close to the road. The apron panel completes the look with a finished, factory-integrated appearance.
Paired as a complete system, the full 992.2 GT3 aero kit increases downforce by 21% over stock for roughly a 1% drag penalty, based on CFD simulation at 180 km/h (112 mph), while holding the GT3's original front-to-rear balance. In raw terms, that's 244N (55 lbs) of load at that speed — but downforce isn't ballast. It presses the tires into the road without adding weight the car has to carry through a corner or haul down under braking, and it builds with speed, so there's more of it exactly when you're leaning on the car hardest. That's balanced grip you can actually use, with almost no loss of straight-line speed.
| Measurement | Stock | ADRO Complete Kit | Increase |
|---|---|---|---|
| Downforce | 1145 N | 1,389 N | +244 N (Approximately 55 lbs) |
| Drag | 1071 N | 1,083 N | +12 N (Approximately 3 lbs) |
NOTE: Fits 992.2 GT3
If you drive your GT3 hard — track days, hillclimbs, spirited road work — this kit gives you a serious, balanced step in downforce without upsetting the character Porsche built into the car. It's the ADRO foundation for the newest GT3: engineered properly, and designed to hold the balance that matters while making you faster.
Ready to build a GT3 that carries more speed everywhere it matters? See you at the track!
Returns
Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. All items are subject to 15% restocking fee from the manufacturer.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Additional non-returnable items:
Gift cards
Downloadable software products
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted (if applicable)
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
If you would like to start a return please click here
Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at info@amtuning.ca.
Sale items (if applicable)
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Exchanges (if applicable)
To start an exchange, click here
Non-refundable items
The following items are non-refundable and non-returnable once purchased: oils, fuel or oil additives, filters, tuning cables, OBDeleven products, Braum seats, spark plugs, coil packs, and similar consumable, wheel spacers, wheels bolts, license plate brackets, electronic tuning components and any other product subject to discretion of AM Tuning Canada.
Other products from brands such as MHD, Bootmod3, Ecutek, Braum racing, Novitec are also non-refundable and non-returnable.
All sales of these items are final and are subject to the policies and discretion of AM Tuning. By completing a purchase, the customer acknowledges and agrees to these terms.
