Description
Borla XR-1 Multi-Core Universal Rotary Engine Racing Muffler is a fabrication component for a custom exhaust. Part 400371 combines the connection geometry and body package listed below; both need to match the planned pipe route.
Design and Application
Multi-Core construction manages flow and acoustic absorption inside the muffler. The finished exhaust note depends on the engine, pipe routing and remaining exhaust components.
Technical Specifications
| Manufacturer part number | 400371 |
|---|---|
| Material | T-304 austenitic stainless steel |
| Connection layout | Center/Center |
| Connection size | 3" |
| Body shape | Oval |
| Body dimensions | 16" X 4.25" X 7.88" |
| Overall length | 21" |
| Internal configuration | 4-tube Multi-Core design |
| Acoustic material | Continuous filament fiber packing |
Fabrication and Installation
- Reversible flow allows either end to face the incoming exhaust, subject to the stated connection layout.
- Fabrication is required. Check the complete body and neck envelope, heat clearance, pipe alignment and exhaust supports before installation.