Borla CrateMuffler - ATAK Exhaust Muffler, universal fit (material: T-304 Stainless Steel).
Part number: 400854
The Borla CrateMuffler ATAK exhaust muffler is a universal part, listed with a 2.5-inch offset inlet and 2.5-inch offset outlet in a 4.35-inch by 9.10-inch oval case with a 14-inch body and 19-inch overall length. It is tuned for the Big Block 396/ 402/ 427 CID V8 engine family. The muffler is directional, so its outlet end is marked by the mounting bracket welded to the endcap.
Borla crate muffler.
The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. The directional design provides the aggresssive ATAK® sound and will dramatically reduce, or eliminate drone on specified applications.
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | Borla |
| Part number | 400854 |
| Material | T-304 Stainless Steel |
| Shipping carton | 25 × 11 × 11 in (64 × 28 × 28 cm) |
| Shipping weight | 4.5 kg (10 lb) |
| Outlet outside diameter | 2.500 in |
| Outlet position | Offset |
| Muffler count | 1 |
| Main piping diameter | 2.500 in |
| Inlet position | Offset |
| Inlet outside diameter | 2.500 in |
| Grade type | Performance |
| Construction | All Welded |
| Category | Exhaust & Performance |
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