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Description
GPR Exhaust for Bmw G310GS 2017-2021, M3 Inox , Full System Exhaust, Including Removable DB KillerProduction Time: 10 15 DAYS Weight: 1. 58 Lbs. 3. 48 Kg. Length: 13. 78 in. 350 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: 10 - 15 DAYS
Weight: 1.58 Lbs. / 3.48 Kg.
Length: 13.78 in. / 350 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
Assembly: This kit includes the specific manifold stainless steel made, with relative flanges, bushings, brackets and any screws. This allows for installation without any structural changes. The installation also involves the elimination of the catalyst and for this reason it may not be suitable for official vehicle maintenance.
ATTENTION: this article is homologated / approved for noise only, it is sold without catalyst but including the removable db killer, the customer must check in advance whether the presence of the catalyst is necessary in his country to comply with the regulations for circulation on the road network and to arry out the annual inspection. Tampering with the DB Killer and catalyst 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 may does not comply with regulations governing circulation on the public road network.
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.
GPR products are plug-and-play. However, GPR recommends the installation from a licensed mechanic as GPR will not accept any claims from a do-it-yourself installation. The use of racing items may require the remapping of the ECU, especially when there are additional modifications, such as the installation of a sports filter.
Made in Italy with a 2-year international warranty.
The included DB Killers are removable for racing use only. This exhaust may not road-legal and may does not meet local government regulations if DB Killers are removed.
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.
The specific homologation certificate is provided, as well as the assembly instructions, each silencer bears the homologation code. In the event of problems encountered during the installation, it is mandatory to stop and suspend the activity, to immediately request information and / or advice from the customer care via email [email protected]
Reference: E4.BM.DBHOM.106.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
4.9 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
A great value field watch!
Color: Silver
I wanted to give this watch about a week on the wrist before giving my opinion on the watch. I base my decisions on a new watch off the price point and then the overall value that the watch offers for that price. For under $30, you're getting a really nice value in my opinion. The hardened mineral crystal is flat and clear which I like and I was not expecting to get any sapphire crystal at this price point so I have no complaints there. The day/date function is awesome as I like to have a date function. The day of week complication is just icing on the cake for me personally. I do want to point out that the case appears to be made of a metal alloy that gives this really nice sandblasted finish effect. Its not quite matte, not quite pearlescent, but gives some shine that looks great! The NATO strap that the watch comes on is nice quality and what I would expect if I were to pay $10-$15 for a strap from amazon so I appreciate the quality of the hardware on the NATO strap right out of the box. Being quartz, I can tell that this movement is decent, as there is little to no bounce in the second hand and I know the battery life will last for quite a long time before needing to be replaced. With 50M of water resistance, I don't have to worry about this watch being out in the rain or outdoors, which is great peace of mind. Lastly, the lume on the dial is quite bright for this price point. It's not BG9 superluminova or anything like that, but it glows brightly and lasts for a reasonable amount of time. Much longer than many other inexpensive watches I own that have lume on the hands/dial. Hope that helps! For an inexpensive field watch, I definitely recommend this one from MDC/Infantry!
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Reviewed in the United States on July 9, 2020
★★★★★ 5
An awesome quartz field watch for very little money
Color: Silver, Color: Silver
I really like this watch from Infantry. It is a sleek, cool stealthy design that goes well with any kind of outfit. It's got a Japanese movement inside it so you know the minutes don't "jump" around when setting it. Also, the date function on mine is still working just great. It's also got mineral glass instead of acrylic. Comes on a nice NATO strap too! Hard to believe it's only 20 bucks.
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Reviewed in the United States on October 21, 2025
★★★★★ 4
Best field watch for the price
Color: Black, Color: Black
The watch will display the day of the week in English or Spanish, but unlike similar watches sold on Amazon, it comes with clear instructions to let you choose the language. I don’t like NATO straps and the spring bars for the straps were impossible to remove without cutting away (use diagonal flush cutting pliers), which is the only reason for the 4 star rating, else it would be 5. I put a silicone quick release band on the watch and am very happy with it. The time is very legible, especially with the red highlight on the second hand. I like the 3D effect that shows between the minutes dial and the inner face. Very handsome/gorgeous and no-frills watch. You just can’t do better than this for the price.
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Reviewed in the United States on May 2, 2024
★★★★★ 5
Very worth the money good watch so far
Color: Black
Works great and is easy to wear
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Good watch, nice large numbers.
Color: Black
Nice watch. Not illuminated, but luminous hands and dial are easy to read at night. Day/date display is easy to adjust but must avoid doing so between 5PM and 9AM. Seems to be very accurate so far and time is fairly easy to synchronize. No problems with scratched crystal so far, and I wear this watch 24/7. Very long band should fit any size wrist.
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Reviewed in the United States on November 9, 2025
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