9 Inch Magnum Oval

SKU ADR075-1 Category Tags , , ,
  • NZ Made!
  • 100% Quality Stainless Steel
  • Patented Spiral Louvre Baffle Technology
  • 3 Stage Sound Absorption Medium
  • Suitable for High Tuned Street/Race Cars /Yes Rotary’s Too!!
  • Polished Embossed Case
  • Lifetime Guarantee!!
  • Inlet sizes are 57mm 63mm 76mm 89mm 101mm* (101mm is an extra $50)
  • Body size 9″ X 5.5″ oval
  • All mufflers as-welded finish, $50 extra for polished.
  • Stubs are 30mm approx
  • Options diagram (pdf)

Add a baffle ring system (race baffle) to any muffler or resonator in the ADRENALINR range. Price $130. Find out why.

  • Total

Who needs them?

These are  straight through design oval mufflers which have a bigger body size than our other oval range, giving more muffling capability.

More size, more packing and more inlet options than the 8inch version we offer. They can be used in the middle or at the rear of the exhaust system

They make a great resonator on a monster 4 inch exhaust system!

Customised to suit

We can customize these to suit your application, track street strip or oval we have you covered!! Our factory is the leading custom muffler manufacturer in the country with all our own in house machinery we offer an extremely quick turnaround time, just ask!

Greater noise reduction

These baffles offer reduced noise levels over conventional designs. They are particularly effective at reducing neutral throttle drone.

Superior construction

Our muffler bodies are embossed which adds significant strength to the muffler, eliminating unwanted resonance to provide an improved tone with a deeper note. The solid construction is more resilient to the rigours of daily use. Scrape damage is minimized by our unique mounting strap design. AdrenalinR Performance Mufflers have spotless consistent welds, we utilize Automated Welding Technology for superior welds.


Body Length

350mm, 400mm, 450mm, 500mm

Inlet Size

51mm, 57mm, 63mm, 76mm, 89mm, 101mm


Racing Basic, Racing Extreme, Racing Premium, Standard


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