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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
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Description
Borla 400373 - XR-1 Multicore MufflerDesigned for rotary engine equipped vehicles, but can be used on other applications. Long body is perfect for truck applications. Reversible design for installation flexibility. Patented Multicore design for maximum power. Recommend for high horsepower applications. T 304 Stainless steel will never rust. 100% welded construction for strength. High temperature continuous filament fiber (CFF) acoustic material for sound control. There is no logo
Designed for rotary engine equipped vehicles, but can be used on other applications. Long body is perfect for truck applications. Reversible design for installation flexibility. Patented Multicore design for maximum power. Recommend for high horsepower applications. T-304 Stainless steel will never rust. 100% welded construction for strength. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. There is no logo embossment on this part. Best of all, it's made in the USA. Just what you?d expect from the world?s most experienced (and most winning) exhaust brand.
Specifications:
| Description_ASM | XR-1? Multi-Core Racing Muffler For Rotary Engine Equipped Vehicles - 3" Center Inlet/ 3" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length. Universal Parts. Reversible Design. |
| Description_DEF | Exhaust Muffler |
| Description_DES | XR-1 Multicore Muffler |
| Description_EXT | XR-1? Multi-Core Racing Muffler For Rotary Engine Equipped Vehicles - 3" Center Inlet/ 3" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length. Universal Parts. Reversible Design. |
| Description_INV | BorlaXR-1 Multi-Core Muffler |
| Description_MKT | Designed for rotary engine equipped vehicles, but can be used on other applications. Long body is perfect for truck applications. Reversible design for installation flexibility. Patented Multicore design for maximum power. Recommend for high horsepower applications. T-304 Stainless steel will never rust. 100% welded construction for strength. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. There is no logo embossment on this part. Best of all, it's made in the USA. Just what you?d expect from the world?s most experienced (and most winning) exhaust brand. |
| Description_SHO | XR-1 Multi-Core |
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
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Essential daily protection to complete my routine
As part of my skincare routine focused on improving dark spots on my face, sunscreen is a must. The Neutrogena Ultra Sheer Dry-Touch SPF 70 has a smooth texture, a light and fresh scent, and feels comfortable on the skin. It absorbs quickly and doesn’t leave a heavy or greasy finish, which makes it easy to use every day.
I like how it protects my skin without altering my natural skin tone, making it a perfect final step in my routine. It complements my skincare well and helps me stay consistent with daily protection. The pack also includes three tubes, which is very convenient and practical.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
This is the suntan lotion I’ll buy from now on.
Really nice suntan lotion. I brought it to a quick Florida trip in early summer. Very light compared to other products we have on hand. Not greasy. I plan to buy this in future once we run out. I also really liked the set of three 3oz containers which made it perfect for travel. I give this product 5 stars without hesitation.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Nice sunscreen.
Great sunscreen. Works into skin without residue. I get good sun protection and lasts most of the day.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Best dry-touch broad spectrum sunscreen available.
I've use this for the past 10 years. It is highly effective. In addition, a small amount goes a long way and it is NOT GREASY!! That is a major plus for me. I keep a short beard and it is easy to use with the beard. It functions very well and I have not found a better product. Other than its effectiveness, you can't tell you used it.
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Reviewed in the United States on April 7, 2026
★★★★★ 5
It works
Best product to protect from the sun
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Reviewed in the United States on April 27, 2026