


Borla XR-1 Racing Sportsman 3.5in. Outlet / 3.5in Inlet Oval Muffler - 5in Diameter x 15in Length
Marsoni
M251S
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Friday, May 29
Borla XR-1 Racing Sportsman 3.5in. Outlet / 3.5in Inlet Oval Muffler - 5in Diameter x 15in LengthSKU: 40946 UPC: 808422409469 Borla XR 1 Sportsman Racing Muffler 3. 5in Center Inlet 3. 5in Center Outlet 4. 5x7. 88in Oval x 16in Body 40946 The Borla 40946 XR 1 Sportsman muffler delivers racing level performance with a compact oval design: 4. 5in width x 7. 88in height x 16in body length, 21in overall length, and 3. 5in center inlet center outlet. This universal reversible muffler suits custom exhaust builds on performance cars, trucks, off road
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4.5 ★★★★★
Based on 323 reviews
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Product Reviews
★★★★★ 1
Some of the components are plastic
This is not a heavy duty application what so ever . One of the flanges broke . We do not recommend this product
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Reviewed in the United States on July 5, 2024
★★★★★ 2
Quality control lacking
One tee conector was missing. Nothing avaliable locally that fits.
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Reviewed in the United States on July 13, 2025
★★★★★ 1
It doesn’t stay in
The pipe keeps coming out. Not worth the money. Not sturdy to hold a top table.
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Reviewed in the United States on February 20, 2024
★★★★★ 2
Good finish, poor hardware.
Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly.
Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration.
Ended up running self tapping screws thru parts to complete assembly.
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Reviewed in the United States on February 26, 2024
★★★★★ 1
Kinda flimsy…
Thought the assembly was metal, it’s some kind of PVC.
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Reviewed in the United States on September 22, 2025