exhaust and emissions
Borla 400374 XR-1 Multicore Muffler
$437
Made to order
Universal fit — no vehicle-specific fitment required.
Free freight ≥ $999 · $40 flat below
About this part
XR-1(r) 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(r)'S patented Multi-Core 4 tube design for maximum flow horsepower and torque. The Multi-Core portion of XR-1(r) mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible design for installation flexibility. T-304 Stainless steel for superior corrosion resistance. 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(r) 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
| WIDTH | 8 |
|---|---|
| HEIGHT | 32 |
| LENGTH | 8 |
| PROP65 | Yes |
| WEIGHT | 14 |
| WARRANTY | Materials & Workmanship On New Product |
| EMISSIONS | Emissions Compliance Exempt |
| ATTRIBUTES | Body Height:6.250 in.;Body Length:16.000 in.;Body Width:6.250 in.;Construction:All Welded;Grade Type:Performance;Inlet Connection Type:Pipe;Inlet Position:Center;Inlet Type:Single Center;Main Piping Diameter:4.000 in.;Material:T-304 Stainless Steel;Muffler Count:1;Off Road Use Only:No;Outlet Outside Diameter:4.000 in.;Outlet Position:Center;Outlet Type:Single Center Outlet;Overall Length:21.000 in.;Prop 65 (C R or CR):CR;Prop 65 - Long Label:WARNING: This product in the physical form it is sold does not present a hazard. However operations including but not limited to welding brazing or thermal cutting can expose you to chemicals including Chromium Nickel Cobalt Arsenic Cadmium and Lead which are known to the State Of California to cause cancer birth defects and other reproductive harm. For more information go towww.P65Warnings.ca.gov;Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov;Prop 65 Warning Label:Proposition 65 Warning.JPG;Prop 65 Yes/No:Yes;Shape:Round;Tip / Outlet Finish:N/A;Title:XR-1 Multi-Core Racing Muffler 4in Center Inlet/ 4in Center Outlet 6.25in Round x 16in Long Body Rotary Engine Equipped Vehicles;Title:XR-1® Multi-Core Racing Muffler 4" Center Inlet/ 4" Center Outlet 6.25" Round x 16" Long Body Rotary Engine Equipped Vehicles Part # 400374 |
| PCDB CATEGORY | Exhaust |
| COUNTRY OF ORIGIN | US |
| PART TERMINOLOGY | Exhaust Muffler |
| VEHICLE SPECIFIC FITMENT | N |
| INSTALLATION INSTRUCTIONS |
Datasheet — not yet published