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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
Active Autowerke X3M and X4M Valved Rear Axle - back Exhaust (11-103C)The Active Autowerke Valved Rear Axle Back Exhaust is engineered exclusively for the BMW X3M (F97) and X4M (F98) to enhance the sound quality and performance of the stock exhaust system. Designed to address the overly quiet factory exhaust, this system retains the original BMW valve actuators to maintain functional valve control while delivering a deeper, more aggressive exhaust note. Made in the USA from 304 stainless steel Low, deep sound
The Active Autowerke Valved Rear Axle-Back Exhaust is engineered exclusively for the BMW X3M (F97) and X4M (F98) to enhance the sound quality and performance of the stock exhaust system. Designed to address the overly quiet factory exhaust, this system retains the original BMW valve actuators to maintain functional valve control while delivering a deeper, more aggressive exhaust note.
- Made in the USA from 304 stainless steel
- Low, deep sound enhancement with stock valve control
- Test-fitted on F97/F98 exhaust fixture to guarantee fitment
- Includes all necessary installation hardware
- Fits all F97/F98 BMW X3M and X4M models
This axle-back exhaust is part of a comprehensive Active Autowerke full exhaust solution that includes a single mid-pipe and GESI catted downpipes for those seeking the most notable sound upgrade. While the rear exhaust provides a subtle sound improvement alone, pairing it with the mid-pipe and downpipes delivers the full performance and acoustic benefits intended for a true M-car driving experience.
Note: There is a version available for customers wishing to only replace the rear section while retaining stock mid-pipes. However, upgrading to an Active Autowerke or aftermarket mid-pipe later may require replacing connecting pipes and additional charges may apply.
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
4.5 ★★★★★
Based on 939 reviews
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Product Reviews
★★★★★ 5
Good Stuff
Size: 3 Fl Oz (Pack of 1)
I’ve used this for several years..,light and blocks the rays.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Your makeup won't get ruined! ❤️
Size: 0.47 Ounce (Pack of 1)
I'm new to skincare and I didn't know we were supposed to wear sunscreen! 😱 Turns out it's arguably the most important step of skincare.
First, I like the texture of this sunscreen. It's not greasy, it's velvety and smooth. It feels nice on my skin.
I used this for the first time yesterday, and I just want those of you to know who are considering buying this, it applies well against makeup! That was one of my main concerns. I did my skincare with this sunscreen as a final step, then put on my makeup. The sunscreen acted as a primer, honestly, so I skipped primer. When I reapplied the sunscreen hours later, my makeup didn't smear! Instead I had a nice, healthy glow to my skin. I actually think it enhanced my makeup; my makeup seemed to last longer than usual. If you find yourself to be TOO glowy after a while, just apply a bit of translucent powder and your makeup will stretch even longer.
Bonus: It fits nicely in your purse! Good for people like me with a million things they insist on carrying around.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Works well when properly applied
Size: 3 Fl Oz (Pack of 1)
I try to always buy the highest SPF that I can find. This one fits the bill. If you apply it thoroughly all over and then reapply every few hours, you shouldn't get burned. I've worn it to the water park numerous times now. I have very sensitive skin, and it's given me no issues. I even put it on my face, just being careful not to get too close to my eye area. Once it absorbs into your skin, it doesn't feel too sticky like some other sunscreens can. Just be aware that it will leave a white residue on your bathing suit if you get it on there, but I've always been able to wash it out and that's a small price to pay for proper sun protection!
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Protected Our Skin and Smells Good
Size: 6 Ounce (Pack of 1)
I love this stuff! My husband and I bought it as a last minute grab for our honeymoon and it was well worth it! I'm very sensitive to the sun AND to sunscreens, so I needed something with simple ingredients that would also protect my skin without breaking me out. This not only kept away the burning rash I get from the sun, but protected my husband and I from any sunburn at all. It worked not only in dry conditions, but it stayed on for hours after we swam in the ocean. We also liked the fact that it smelled herbal, almost like pizza/Italian seasoning. That didn't bother us because we both hate the smell of most sunscreens.
If you have sensitive skin or are looking for a more natural product, I highly recommend this!
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Great reef-safe, easy-to-apply sunscreen (comparison of three ThinkSport products)
Size: 6 Ounce (Pack of 1)
I will start by saying that I am used to traditional non-mineral sunscreens and tend to only buy physical/mineral-based sunscreens when I'm going to be in a tropical ocean and need something reef-safe, though more and more kids sunscreens are shifting to mineral-based. After quite a bit of research I settled on ThinkSport for my family's recent trip to Hawaii, and I'm very pleased with it. I brought and used three types of Thinksport sunscreen: Thinksport Kids lotion (yellow/orange and teal squeeze bottle), Thinksport adult lotion (Black, white, and orange squeeze bottle), and Thinksport adult spray (black, white and orange spray bottle). All protected us from sunburn and rubbed in to be invisible as long as skin was dry and free of visible hair (visible whiteness persisted around my husbands facial stubble and chest hair). The only difference between the kids lotion versus the adult lotion is scent--the kids version has a fruitier, more tropical but not-too-strong scent (possibly coconut and something else? it was hard to identify) that I found unobjectionable (though one if my kids wasn't a fan), and the adult lotion had a lighter, less sweet, more citrus-y scent (my son though maybe lime and mint, but I'm not sure that's accurate) that I LOVE. The adult spray had no discernible scent, so I suspect the kids spray might be fairly unscented as well. The easiest to apply by far was the spray--it sprays on white, but feels very light, rubs in easily, and becomes invisible quickly. I was a little worried about whether it could possibly be effective given how light and thin it felt, but it was! The lotions weren't thick for a lotion (but much thicker than the spray) and went on easily, but took more rubbing in to disappear than the spray (this is consistent with my experience with lotion vs spray in traditional sunscreens as well). Invisibility was harder to get after a second or third application or when skin was damp, but all-in-all I found all three Thinksport products to be superior to other mineral-based sunscreens I have tried in the past. In the future I'll probably buy the adult thinksport spray for my kids and husband (who all much prefer a spray-on sunscreen) and the adult thinksport lotion for myself (because I love the scent and don't mind rubbing it in).
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Reviewed in the United States on April 17, 2023
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