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Description
GPR Exhaust System Ktm RC 390 2015-2016, M3 Inox , Slip-on Exhaust Including Removable DB Killer and Link PipeProduction Time: 7 10 DAYS Weight: 1. 35 Lbs. 2. 98 Kg. Length: 11. 81 in. 300 mm. GPR developed the M3 Inox after the victories in the Moto3 World Championship. It has a removable racing grill and CNC machined bottoms. It has a hand brushed stainless steel body, and a round shape with a diameter of 3. 9 inches (100MM). FEATURES SOUND: Upgraded sound from stock exhaust. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with
Production Time: 7 - 10 DAYS
Weight: 1.35 Lbs. / 2.98 Kg.
Length: 11.81 in. / 300 mm.
GPR developed the M3 Inox after the victories in the Moto3 World Championship. It has a removable racing grill and CNC-machined bottoms. It has a hand-brushed stainless steel body, and a round shape with a diameter of 3.9 inches (100MM).
FEATURES
• SOUND: Upgraded sound from stock exhaust.
• PERFORMANCE: Upgraded performance from stock exhaust
• QUALITY: Italian made with high-grade welding
• WEIGHT: Lighter than stock exhaust
This kit includes the specific lnik pipe or half-manifold with specific appropriate brackets and accessories. This allows for installation without any structural modifications.
To install, no structural modifications are required. GPR recommends reading the included instructions or tutorial on http://www.gpr.it or the GPR channel on Youtube.
For on-line purchases, activate the warranty by sending the installation receipt from the mechanic / shop via email to [email protected], or sending the sales receipt from the physical or online store.
The exhaust has a removable db killer (noise restrictor) for racing use. Removing the DB Killer is ILLEGAL and the customer assumes the responsibility if they use the motorbike as on the circuits only, without bags, without flash lights, number plate holder or other parts that would conflict with the different angle of the gas following the transformation into the racing version. Abuse of this situation on the road will result in the loss of the product warranty and any refund request will be rejected.
The warranty is two years from the purchase, with right of reparation with a return to the GPR factory, or the nearest official distributor at the customer's expense.
GPR will not provide a new silencer, but will repair the original silencer. The customer must accept to remount the original exhaust or wait the standard time for the repair.
This is an original GPR product, developed after GPR's experience in the World Championship. It offers an innovative design, improved performance, weight savings and a full-bodied sound.
Made in Italy with a 2-year international warranty.
Tampering with the DB Killer welding or antitampering screws or fastener is illegal for road use within the EU directives. It is permitted only for RACING use in the circuits. The use of the open version (without the DB Killer) on roads does not comply with regulations governing circulation on the public road network.
This kit is homologated for noise only. Please check whether a catalyst is necessary within your country to be road-legal and to pass any local inspections.
GPR Products are plug-and-play. However, we do recommend a professional installation.
If you buy online from a seller that is NOT GPR, we recommend you buy from a seller in YOUR COUNTRY to ensure that the item arrives with the correct approvals that must also comply with local legislation. Make sure before purchasing that the seller is trustworthy and offers the items that comply your road network.
Each package includes the homologation certificate, assembly instructions, and a homologation code on each silencer.
In case of a problem during installation, please stop the installation process and immediately contact customer care via email at [email protected]
High level. Includes fairing cover. To install, must create the thread on the footpeg screw.
Reference: KT.73.M3.INOX
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
A gift that the receiver loves and would recommend
I bought this as a gift for my son he has told me he loves it and works well,he would recommend it
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Reviewed in the United States on May 29, 2026
★★★★★ 3
Imperfect, sometimes charging is unreliable, clamp needs power to work and annoyingly not auto
The build quality is great for the price. Like iOttie. The tech advancement is cool but it doesn't work very well which is a disappointment.
It doesn't charge my phone very fast, because my phone is limited to 15 watt wireless charging, but it's great for preventing battery loss while using GPS.
The button to manually clamp and unclamp are a little too hard to press, it flexes the whole holder, so you need to press with your whole hand supporting the holder.
Sometimes my phone disconnects and reconnects randomly to this charger multiple times. Not sure if it's the charger or phone but that stinks . (I'm using an Anker 50w USB adapter for this wireless charger)
The clamping is motorized which is cool, but it's honestly less reliable than a spring loaded clamp because it doesn't always auto clamp the phone.
When this clamp is working properly it is great as it auto clamps onto a phone it's charging. But the issue is it doesn't always clamp.
It sometimes thinks it's clamped, when it's not, so you have to press the manual activation button twice so the phone will be locked in place. It's hard to know when you need to press just once or twice.
(The reason you press the button twice is if it thinks it's closed when it's actually open. Then you press first to "open" the clamp, even though it's already open, then press again to close it.
But if it knows the correct clamp position already, and just refuses to auto clamp, you only press the button once. If you press twice, you will end up cancelling the clamp. It feels random and unpredictable what the correct action is)
The clamping requires power which is another disadvantage to spring loaded hand clamps. But unclamping works without power due to a backup battery.
(Powered clamping is still better than those manual squeeze clamps, which are finicky to get a strong enough clamp on the phone)
I'm not sure how safe the battery is in a super hot car, like Florida heat. It seems fine for Pa heat.
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Reviewed in the United States on October 9, 2025
★★★★★ 5
Great product
UPDATE: Amazing customer service. I didn’t reach out, they did. After some adjustment shaking is minimal. Also regardless the charging. Well apparently my case is not compatible with fast charge. Phone charges fast without the case. Guess that has been my issue with other wireless charges. Definitely recommend. My husband went with another brand and now will be getting the same as mine.
Cool idea but definitely not super fast charge. In 40 minutes charged only 10%, was expecting more. Hold phone well but it shakes while driving. Installation was super easy.
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Reviewed in the United States on July 31, 2025
★★★★★ 1
.
Don’t waste your money on this phone holder. I had a very bad experience with it, and it damaged my phone twice.
The holder opens by itself without warning, causing the phone to fall out while driving. Sometimes I found my phone under the seats, and other times it dropped while I was driving on the highway, which is very dangerous and distracting.
One time, the holder suddenly released my phone and it hit the handbrake hard, breaking the screen completely. I had to spend $500 to replace the screen.
The opening and locking system does not work properly. Sometimes it opens randomly, and sometimes it closes by itself. The wireless charging is also unreliable — sometimes it charges, and other times it stops charging unexpectedly. When the charging stops, the holder suddenly unlocks and drops the phone.
Overall, this product is unsafe, unreliable, and not worth the money.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Rock-Solid MagSafe Mount—Perfect Fit for Tesla Interiors!
This Tesla MagSafe phone mount is hands-down the best car mount I’ve used. The magnetic strength is incredible—my phone snaps on instantly and stays firmly in place, even over bumps and sharp turns. It truly lives up to the “strongest magnet power” claim. The design looks sleek and factory-made, blending perfectly with my Tesla Model 3/Y/S/X interior without blocking the screen or vents. Installation was quick and tool-free, and the mount feels extremely secure once attached. I love that it works flawlessly with MagSafe and also holds non-MagSafe phones just as well. The viewing angle is ideal for navigation and hands-free use, making driving safer and more convenient. If you’re looking for a premium, reliable, and stylish phone mount specifically designed for Tesla, this one is a must-have accessory. Highly recommended!
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Reviewed in the United States on January 19, 2026