Exhaust› Mufflers and Resonators

Borla

Borla XR-1 Sportsman Racing Muffler 4in In/4in Out Muffler

$594.49

SKU: B00F 40948

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Borla 40948 is a universal racing muffler constructed from T-304 stainless steel. It features a 4-inch center inlet and a 4-inch center outlet, with a compact oval body measuring 16 inches long, 4.5 inches wide, and 7.88 inches high. The overall length of the muffler is 21 inches. Its reversible design allows for installation flexibility.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBorla
Part NumberB00F 40948

Videos

QUIET!!! Third Time is the Charm for the Camaro Exhaust? Borla XR-1 Raceline Mufflers to the Rescue.

QUIET!!! Third Time is the Charm for the Camaro Exhaust? Borla XR-1 Raceline Mufflers to the Rescue.
Borla XR1 Muffler Install and Sound Coyote Procharged

Borla XR1 Muffler Install and Sound Coyote Procharged
2013 RAM 1500 Hemi with Borla XR-1 Sportsman Muffler

2013 RAM 1500 Hemi with Borla XR-1 Sportsman Muffler
Flowmaster VS Borla VS Magnaflow Explained

Flowmaster VS Borla VS Magnaflow Explained
Mid-Muffler Delete VS Borla XR-1 Mufflers | 2017 Dodge Charger R/T

Mid-Muffler Delete VS Borla XR-1 Mufflers | 2017 Dodge Charger R/T
"FINALLY".... NEW BORLA XR-1 MUFFLER... COLD START

"FINALLY".... NEW BORLA XR-1 MUFFLER... COLD START
Best muffler **Borla XR1 Install** Quick Easy No Welding Required! (Sound clip at the end)

Best muffler **Borla XR1 Install** Quick Easy No Welding Required! (Sound clip at the end)
2022 Ford F-350 6.2L V8 w/ BORLA XR-1 SPORTSMAN!

2022 Ford F-350 6.2L V8 w/ BORLA XR-1 SPORTSMAN!
We Ranked Every Borla Muffler we Carry!

We Ranked Every Borla Muffler we Carry!
Borla XR-1 4" in/out race muffler on Supra

Borla XR-1 4" in/out race muffler on Supra

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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