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SKU: 401158 | UPC: 808422011587
Borla 401158 Specialty Muffler - Heavy Duty Truck Applications 2.75" Center Inlet/Outlet 7.75" Round x 24" Body
Borla 401158 is a universal heavy duty truck muffler with 2.75-inch center inlet and outlet, 7.75-inch round body at 24 inches long (29 inches overall). Designed for diesel and gas trucks, it installs via notched necks for clamp-on flexibility and reversible orientation. Gain power and torque increases, better fuel economy, extended engine life plus the signature Borla exhaust note.
Key Features
- T-304 Stainless Steel Construction: Resists rust and corrosion for lasting durability in harsh truck environments.
- All-Welded Build: Provides maximum strength and leak-free performance under high exhaust pressures.
- Free-Flow Design: Reduces backpressure for horsepower and torque gains while maintaining efficient scavenging.
- Continuous Filament Fiber (CFF) Core: Delivers precise sound control with the aggressive Borla tone enthusiasts demand.
- Notched Necks & Reversible: Enables straightforward clamp-on installation with versatile positioning for custom truck setups.
Product Notes
- Reversible design offers installation flexibility for left- or right-side orientation.
- Natural mill finish allows brushing or polishing before install for custom appearance.
- Ships in protective packaging; weight 17.9 lbs, box dimensions 30" L x 9" W x 9" H.
Installation Notes
- Professional installation recommended.
- Clamp-on notched necks fit 2.75-inch piping; no welding required.
- Compatible with standard exhaust clamps and hangers for heavy duty trucks.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Heavy Duty Trucks | Diesel & Gas (F-250/350, Ram 2500/3500, Silverado/Sierra 2500/3500) |
Why Choose Borla?
- Leaders in stainless steel exhaust since pioneering systems for classics like Rolls-Royce and Ferrari.
- Builds systems for street, off-road and racing with focus on power and sound.
- Engineered for real-world gains in performance and efficiency.
Frequently Asked Questions
-
Q: Does this muffler fit specific heavy duty trucks?
A: Universal design suits most 2.75-inch exhaust systems on Ford Super Duty F-250/F-350, Ram 2500/3500, Chevy/GMC 2500/3500HD diesel and gas trucks with clamp-on installs. -
Q: What material is used and does it rust?
A: T-304 stainless steel throughout prevents rust; 100% welded for strength in tough conditions. -
Q: What warranty applies and install tips?
A: Borla limited lifetime warranty; reversible notched necks allow easy clamp-on setup, pro install advised for best flow.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed at 30" x 9" x 9"
- Weight: 17.9 lbs
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