CSP SAVINGS!

CSP2026

Borla 400373 - XR-1 Multi-Core 3in Ctr-Ctr Round 16in x 6.25in Rotary Engine Equipped Racing Muffler

Borla  |  SKU: BOR-400373
Sale price $29999 Regular price $33599

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Borla 400373 - XR-1 Multi-Core 3in Ctr-Ctr Round 16in x 6.25in Rotary Engine Equipped Racing Muffler

Muffler - XR-1 Multi-Core - 3 in Center Inlet - 3 in Center Outlet - 16 x 6-1/4 in Round Body - 21 in Long - Stainless - Natural - Rotary Engine - Each

XR-1® Multi-Core Racing Muffler Rotary Engine Equipped Vehicles - 3" Center Inlet/ 3" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length. Universal Part. Reversible Design.

XR-1® Multi-Core Racing Muffler. 3" Center Inlet/ 3" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length. Long body design works well on SUV & truck applications but can be used on a wide range of vehicles. It features BORLA®'S patented Multi-Core 4 tube design for maximum flow, horsepower, and torque. The Multi-Core portion of XR-1® mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible design for installation flexibility. T-304 Stainless steel will never rust. Natural mill finish can be brushed or polished prior to installation. 100% welded construction for strength. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. There is no BORLA® 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.

  • Universal muffler. Reversible design. No BORLA® logo embossement.
  • Long body design works well on SUV & truck applications
  • Can be used on a wide range of vehicles
  • 3" Center Inlet/ 3" Center Outlet 6.25" Round x 16" Long Body 21" Overall Length
  • Multi-Core 4 tube internal design
Body Height: 6.250 in.
Outlet Outside Diameter: 3.000 in.
Tip / Outlet Finish: N/A
Shape: Round
Overall Length: 21.000 in.
Outlet Type: Single Center Outlet
Outlet Position: Center
Off Road Use Only: No
Body Length: 16.000 in.
Muffler Count: 1
Material: T-304 Stainless Steel
Main Piping Diameter: 3.000 in.
Inlet Type: Single Center
Inlet Position: Center
Inlet Outside Diameter: 3.000 in.
Inlet Connection Type: Pipe
Grade Type: Performance
Construction: All Welded
Body Width: 6.250 in.

What are people saying about CSP?