Description
This high performance muffler has been developed for vehicles with 4 inch sidepipes such as 1965–74 Corvettes or vehicles equipped with Hooker super competition roadster and side mount headers. These mufflers produce an average of 23 percent more power than open Headers and feature a high–flow, perforated core that operates at 99 percent efficiency. High temperature packing material absorbs noise while producing a powerful mellow sound. These mufflers, as tested on a 1968 Corvette with a 427 cu inch engine increased horsepower by 40 at a peak of 5500 RPM and 20 foot pounds at peak of 4500RPM versus a leading aftermarket undercar header and turbo–style muffler combination. The outer case is constructed of durable 16 gauge aluminized steel protected by electrostatically applied high–temperature black paint. The inlet/outlet is a 2.5 perforated core in a 4 inch casing.
Resources
Installation Instructions
Specifications:
| Body Height | 4.000 in. |
| Body Length | 3.000 in. |
| Body Width | 4.000 in. |
| Description_ASC | Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations |
| Description_DEF | Exhaust Muffler |
| Description_DES | Max Flow™ Sidepipe Muffler |
| Description_EXT | Max Flow™ Sidepipe Muffler; Fits w/4 in. Sidepipes; 4 in. Inlet; 4 in. Outlet; |
| Description_FAB | 16 Gauge Aluminized Steel |
| Description_FAB | 23% More Power Than Open Headers |
| Description_FAB | Easily Removed For Racing |
| Description_FAB | High Flow Perforated Core |
| Description_FAB | High Temperature Packing Material Absorbs Noise |
| Description_INV | MAX FLOW SIDE PIPE MUFFLER |
| Description_MKT | This high performance muffler has been developed for vehicles with 4 in. side pipes such as 1965-74 Corvettes or vehicles equipped with Hooker Super Competition Roadster and Side Mount Headers. These mufflers produce an average of 23% more power than open headers and feature a high-flow, perforated core that operates at 99% efficiency. High temperature packing material absorbs noise while producing a powerful mellow sound. These mufflers, as tested on a 1968 Corvette with a 427 cu inch engine increased horsepower by 40 at a peak of5500 RPM and 20 ft.-lbs. at peak of 4500RPM versus a leading aftermarket undercar header/turbo-style muffler combination. The outer case is constructed of durable 16 gauge aluminized steel protected by electrostatically applied high-temperature black paint. The inlet/outlet is a 2.5 perforated core in a 4 in. casing. Sold in pairs. |
| Description_MKT | This high performance muffler has been developed for vehicles with 4 inch sidepipes such as 1965–74 Corvettes or vehicles equipped with Hooker super competition roadster and side mount headers. These mufflers produce an average of 23 percent more power than open Headers and feature a high–flow, perforated core that operates at 99 percent efficiency. High temperature packing material absorbs noise while producing a powerful mellow sound. These mufflers, as tested on a 1968 Corvette with a 427 cu inch engine increased horsepower by 40 at a peak of 5500 RPM and 20 foot pounds at peak of 4500RPM versus a leading aftermarket undercar header and turbo–style muffler combination. The outer case is constructed of durable 16 gauge aluminized steel protected by electrostatically applied high–temperature black paint. The inlet/outlet is a 2.5 perforated core in a 4 inch casing. |
| Description_SHO | Muffler |
| height | 4.5 |
| Inlet Connection Type | Pipe |
| Inlet Inside Diameter | 4.000 in. |
| Inlet Position | Offset |
| Inlet Size | 4.000 in. |
| Inlet Type | Single Offset |
| length | 36.2 |
| LTL | N |
| Main Piping Diameter | 4.000 in. |
| Material | Aluminized Steel |
| Muffler Count | 1 |
| Muffler Type | Side-Tube Slip-In |
| Outlet Outside Diameter | 4.000 in. |
| Outlet Position | Offset |
| Outlet Size | 4.000 in. |
| Outlet Type | Single Offset Outlet |
| Overall Length | 30.000 in. |
| Shape | Round |
| Tip Quantity | 0 |
| WARNING CA Proposition 65 | No |
| weight | 14.7 |
| width | 9.7 |
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