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SIMONS Silencer Duo - 76mm - LEISE

"SIMONS Silencer Duo - 76mm - LEISE"

SIMONS Dual-Inlet/Outlet Stainless Steel Muffler – High-Performance & Extremely Quiet

This universal SIMONS performance muffler features a true dual-flow design with two 76 mm inlets and two 76 mm outlets, ideal for high-power twin-pipe exhaust systems. With a compact 315 mm body and a large oval 220×140 mm housing, it offers outstanding noise reduction while maintaining maximum exhaust flow. Manufactured entirely in Sweden from stainless steel 1.4307, SIMONS mufflers are renowned for their durability and exceptional acoustic performance. Independent testing has confirmed that SIMONS mufflers deliver significantly better sound damping than many competitor models. Designed using a straight-through perforated absorption core, this muffler ensures minimal back pressure, making it suitable for engines up to approx. 1000 HP.

Key Features

  • Dual-flow design: 2× 76 mm inlet and 2× 76 mm outlet
  • High-quality stainless steel (1.4307)
  • Very quiet – excellent acoustic performance
  • Large oval body (220 × 140 mm) for superior noise reduction
  • Straight-through perforated absorption tube for maximum power
  • Suitable for high-performance engines up to approx. 1000 HP
  • Made in Sweden – premium quality

Technical Specifications

  • Material: Stainless steel 1.4307
  • Body Length: 315 mm
  • Diameter / Shape: 220 × 140 mm oval
  • Connections: 2× 76 mm inlet & 2× 76 mm outlet (inner diameter, slotted)
  • Performance Range: Up to approx. 1000 HP
  • Weight: 5 kg

Noise Reduction Reference

Measured using comparable 76 mm SIMONS absorbers:
  • 76 mm Split: −5 dB*
  • 76 mm Turbex: −7 dB*
  • 76 mm Turbo: −8 dB*
  • 76 mm Turbolight: −7 dB*
  • 76 mm Turbonett: −2 dB*
  • 76 mm Turbotight: −3 dB*

*Values approximate. 10 dB reduction equals roughly half perceived loudness.

Legal Notice

No TÜV certification. For motorsport use or individual approval (§21) only.

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