Oval S.S Exhaust Resonator Full SUS304

NZKW Australia Oval Stainless Steel Exhaust Resonator – SUS304 Performance Muffler

The NZKW Australia Oval Stainless Steel Exhaust Resonator is a high-quality exhaust sound control component designed to reduce drone, harsh frequencies, and exhaust resonance without significantly restricting flow. Built from premium SUS304 stainless steel, this resonator is engineered for durability in high-temperature, high-performance exhaust systems.

Ideal for street performance, turbocharged builds, and motorsport applications, this resonator helps achieve a smoother exhaust tone while maintaining efficient gas flow.

What's Included

• 1 x NZKW Australia Oval Stainless Steel Exhaust Resonator (selected size)

Specifications

Material: SUS304 Stainless Steel
Type: Oval Exhaust Resonator / Straight-through muffler design
Construction: Stainless steel internal perforated core with packing

Available Sizes & Variants

300 x 63 – 2.5” Inlet/Outlet

• Barrel Size: 300 × 210 × 130mm
• Overall Size: 445 × 210 × 130mm
• Inlet/Outlet: 2.5 inch
• Packing: Stainless steel sound absorption packing

300 x 76 – 3” Inlet/Outlet

• Barrel Size: 300 × 210 × 130mm
• Overall Size: 445 × 210 × 130mm
• Inlet/Outlet: 3 inch
• Packing: Stainless steel sound absorption packing

400 x 63 – 3” Inlet/Outlet

• Barrel Size: 400 × 210 × 130mm
• Overall Size: 535 × 210 × 130mm
• Inlet/Outlet: 3 inch
• Packing: Stainless steel + ceramic wool packing

400 x 76 – 3” Inlet/Outlet

• Barrel Size: 400 × 210 × 130mm
• Overall Size: 535 × 210 × 130mm
• Inlet/Outlet: 3 inch
• Packing: Stainless steel sound absorption packing

Key Features

• SUS304 stainless steel construction for maximum durability
• Straight-through performance design for minimal restriction
• Reduces exhaust drone and cabin resonance
• Improves overall exhaust tone and refinement
• High-temperature stainless steel internal packing
• Ceramic wool (select variants) for enhanced sound absorption
• Designed for high-flow turbo and NA exhaust systems
• Corrosion-resistant for long service life
• Suitable for custom exhaust fabrication
• Motorsport-grade build quality

Compatible With / Applications

• Turbocharged exhaust systems
• Naturally aspirated performance engines
• Mid-pipe and rear exhaust sections
• Downpipe and exhaust fabrication
• Drift cars
• Drag racing vehicles
• Circuit and track builds
• Rally and off-road applications
• Performance street vehicles
• Motorsport and custom exhaust systems

Built for Performance & Sound Control

The NZKW Australia Oval Exhaust Resonator is engineered to balance performance and comfort by reducing unwanted exhaust frequencies while maintaining strong flow characteristics. Its SUS304 stainless steel construction ensures it withstands extreme heat and vibration, making it ideal for both street-driven and competition vehicles requiring refined exhaust acoustics.

Why Choose NZKW Australia?

🇦🇺 Australian owned and operated
🏁 Years of proven motorsport development and real-world track testing
✅ Trusted by performance workshops, race teams, and enthusiasts
Precision-engineered, premium-quality components built for reliability
🚚 Fast Australia-wide shipping
Designed for street, drift, drag, circuit, rally, and off-road applications
Backed by expert product knowledge and local support

Orders are dispatched within 24 hours, unless stated otherwise at time of ordering.

Online Only: 24 to 48 hours delay, but in some cases up to 5 days, depending on the product and third-party shipping.

Pre-order: Available only for items in transit to our Australian warehouse. Estimated dates depend on third-party shipping.

Special Order: Products we manufacture or need to restock. Average time is 3-5 weeks, but may vary depending on third- party shipping