SKU: 400940 | UPC: 808422009409
Borla 400940 CrateMuffler Big Block Chrysler/Dodge/Plymouth Mopar 383/413/426/440 V8 1962-1979 2.5in Offset Inlet/Center Outlet S-Type
The Borla 400940 CrateMuffler delivers targeted performance for Big Block Mopar 383, 413, 426, 440 V8 crate and custom engines in 1962-1979 Chrysler, Dodge, Plymouth vehicles. This directional S-Type muffler produces the Borla Sound of Power, adds horsepower and torque, enhances fuel economy, extends engine life, and cuts drone for thrilling throttle response. Built for muscle cars like Chargers and Road Runners, it installs with 2.5-inch offset inlet and center outlet.
Key Features
- T-304 Stainless Steel: Premium material resists corrosion for long-term durability in harsh conditions.
- Directional Design: Outlet marked by welded bracket tunes sound for Big Block Mopar, eliminates drone on direct fit applications.
- S-Type Acoustics: Engineered for moderate output V8s with deep, aggressive exhaust note recognized by enthusiasts.
- Performance Gains: Increases power, torque, and efficiency while maintaining OEM-like body dimensions of 14in L x 4.35in H x 9in W.
- Million-Mile Warranty: CNC precision manufacturing backed by Borla’s lifetime coverage on every muffler.
Product Notes
- Muffler is directional; align outlet endcap with welded mounting bracket toward rear of vehicle.
- All-welded oval shape with pipe-connect inlet/outlet for secure, leak-free fit.
- Ships in protective box measuring 18in x 9.5in x 6in; product weight 11 lbs.
Installation Notes
- Professional installation recommended.
- Verify engine displacement and exhaust routing before install; uses 2.5in tubing.
- Compatible with OEM hangers; no additional hardware required for most setups.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1966-1974 | Dodge | Charger | 383/440 V8 |
| 1968-1970 | Plymouth | Road Runner | 383/440 V8 |
| 1967-1971 | Plymouth | GTX | 440 V8 |
| 1969-1971 | Dodge | Super Bee | 440 V8 |
| 1964-1971 | Chrysler | 300 | 383/440 V8 |
| 1962-1971 | Dodge | Polara | 413/440 V8 |
| 1962-1971 | Plymouth | Belvedere | 383/440 V8 |
Why Choose Borla?
- Leaders in stainless steel exhaust since 1979 with wins in motorsport.
- Every system crafted for exact power and sound on specific engines.
- CNC manufacturing ensures perfect fit and Million-Mile reliability.
Frequently Asked Questions
- Q: Which Big Block Mopar engines does this fit?
A: Designed for 383, 413, 426, 440 CID V8 moderate output in 1962-1979 Chrysler, Dodge, Plymouth vehicles and crate applications. - Q: What material is used in construction?
A: T-304 stainless steel throughout for corrosion resistance and strength over lesser 400-series steels. - Q: What warranty coverage applies?
A: Million-Mile Warranty covers defects in materials and workmanship for the original owner.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure box 18in x 9.5in x 6in
- Weight: 11 lbs
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