3" Stainless Steel Polished Performance Exhaust Muffler - 9 x 4" Oval,
Redback 3" Stainless Steel Polished Performance Exhaust Muffler - 9 x 4" Oval, — fits selected vehicle applications. Part #STR7765-304N. $136.
Category: Mufflers and resonators

Part specs
- Perforation
- Perforated
- Spigots
- Without Spigots
- Material Type
- 304 Stainless Steel
- Internals
- Megaflow
- Packing
- Glass Packed
- Configuration
- Offset/Centre
- Barrel Shape
- Oval
- Tube Size
- 076mm (3")
- Length
- 355mm (14")
- Barrel Size
- 228mm (9") x 101mm (4")
Workshop note
3" Stainless Steel Polished Performance Exhaust Muffler • 9 x 4" Oval, (SKU: STR7765•304N) — SWD Australia Product Overview Looking to unlock the full potential of your vehicle? The 3" Stainless Steel Polished Performance Exhaust Muffler • 9 x 4" Oval, is engineered to deliver the performance, sound, and reliability that enthusiasts demand. The 3" Stainless Steel Polished Performance Exhaust Muffler • 9 x 4" Oval, is a complete Muffler Universal system manufactured by Redback and distributed by SWD. Designed specifically for Australian conditions, this system replaces your factory exhaust with mandrel•bent piping, high•flow mufflers, and premium•grade stainless steel construction that outlasts and outperforms OEM equipment. Key Features & Benefits • Backed by SWD's Australian warranty and nationwide support network • High•flow catalytic converters (where applicable) meet emissions standards without choking flow • Dynamically tuned mufflers deliver an aggressive note under load with minimal cabin drone • Full bolt•on design — no cutting, welding, or fabrication required for installation Vehicle Fitment & Installation Designed as a direct replacement for the listed vehicle application, the 3" Stainless Steel Polished Performance Exhaust Muffler • 9 x 4" Oval, uses all OEM mounting locations and includes every bracket, gasket, and clamp needed for a straightforward installation. Professional installation is recommended but experienced home mechanics can complete the job in 2•4 hours on a hoist. Performance Benefits Beyond the immediate horsepower and torque gains, upgrading to the 3" Stainless Steel Polished Performance Exhaust Muffler • 9 x 4" Oval, delivers long•term benefits including reduced exhaust gas temperatures, improved fuel efficiency under cruise conditions, and extended turbocharger or engine life due to lower backpressure. The 304•grade stainless steel construction ensures this is the last exhaust system your vehicle will ever need. Technical Specifications • Perforation: Perforated • Spigots: Without Spigots • Material Type: 304 Stainless Steel • Internals: Megaflow • Packing: Glass Packed • Configuration: Offset/Centre • Barrel Shape: Oval • Tube Size: 076mm (3") Supplier Information The 3" Stainless Steel Polished Performance Exhaust Muffler • 9 x 4" Oval, is sourced from SWD (swd.com.au), one of Australia's leading automotive parts distributors. Every unit is backed by SWD's warranty and supported by their nationwide dealer network. SKU: STR7765•304N | RRP: $136.99 AUD | Available from SWD. Where to Buy Available now from SWD at an RRP of $136.99. Order today with confidence — every system is inspected, packed, and shipped from Australian warehouses with full tracking and warranty support.
Fitment support across the Illawarra
Oak Flats Muffler Men can check this part against supplier specs, part number, image, RRP and vehicle details for customers around Oak Flats, Shellharbour, Wollongong, Dapto, Albion Park, Kiama and the northern suburbs.
Book the right exhaust job without guessing.
Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.
