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SIMONS Silencer Split - 76mm - LEISE

"SIMONS Silencer Split - 76mm - LEISE"

SIMONS Universal Stainless Steel Muffler – Compact Oval Design with Dual Outlet

This SIMONS universal muffler features a compact 315 mm oval body and a unique dual-outlet configuration (1×76 mm inlet to 2×63.5 mm outlets), making it ideal for duplex exhaust systems or custom performance setups requiring a split exit. Constructed from premium stainless steel (1.4307) and manufactured in Sweden, this muffler offers outstanding durability and exceptionally quiet acoustic performance. The internal straight-through absorption design maximizes exhaust flow while minimizing noise – suitable for engines up to approx. 600 HP.

Key Features

  • High-quality stainless steel 1.4307
  • Dual outlet design: 1×76 mm inlet → 2×63.5 mm outlets
  • Oval body (220 × 140 mm) for superior noise reduction
  • Straight-through perforated absorption core
  • Excellent flow characteristics – ideal for turbocharged engines
  • Suitable for engines up to approx. 600 HP
  • Made in Sweden – not a low-cost import
  • Perfect for custom duplex exhaust systems

Technical Specifications

  • Material: Stainless Steel 1.4307
  • Body Length: 315 mm
  • Diameter / Shape: 220 × 140 mm oval
  • Inlet: 1× 76 mm (inner diameter, slotted)
  • Outlets: 2× 63.5 mm (inner diameter, slotted)
  • Outlet spacing: 35 mm (+/− 2 mm)
  • Performance Range: Up to approx. 600 HP
  • Weight: 4.2 kg

Noise Reduction Comparison

Measured values (idle & 2000 rpm, vs. no muffler):
  • 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*

*Approximate values. 10 dB reduction equals half perceived loudness.

Legal Notice

No TÜV approval. Motorsport or individual approval (§21) only.

Anschluss: 76 mm

About SIMONS – Premium Exhaust Technology from Sweden

SIMONS is a renowned Swedish manufacturer specializing in high-quality stainless-steel exhaust components. All SIMONS mufflers and exhaust parts are fully produced in Sweden, ensuring consistent quality, precise craftsmanship, and long-lasting durability. Unlike low-cost imports, SIMONS focuses on engineered performance, excellent acoustic control, and premium material selection. SIMONS products are widely used in motorsport, custom exhaust fabrication, high-performance builds, and enthusiast applications where reliability and sound control are essential.

Core Strengths & Philosophy

  • 100% Made in Sweden – no outsourced manufacturing, guaranteeing stable quality standards.
  • High-grade stainless steel (1.4307) for maximum durability and corrosion resistance.
  • Advanced noise reduction – SIMONS mufflers are known to be significantly quieter than many competing brands in comparative tests.
  • Straight-through absorption design – no internal chambers, ensuring very low exhaust backpressure for maximum engine performance.
  • Compatible with high-power applications – depending on the model, suitable for 300–1000+ HP builds.
  • Flexible installation – slotted inlets/outlets allow both clamp mounting and welding.
  • Versatile use – can be installed as front, mid, or rear mufflers thanks to the fully perforated-core layout.

Product Characteristics

  • Stainless steel construction throughout (housing + connections).
  • Optimized muffler shapes: round, oval, split, dual-flow, and T-split configurations.
  • Large body volumes available for exceptional sound reduction.
  • Perforated straight-pipe internals for maximum flow efficiency.
  • Ideal for turbocharged engines, performance modifications, and custom exhaust builds.

Noise Reduction Expertise

SIMONS mufflers are known for producing a very quiet exhaust tone compared to many alternatives. Test results from motorsport workshops (e.g., Boost-Products) have shown superior noise-damping performance while still maintaining optimal flow characteristics. A 10 dB reduction is perceived by the human ear as roughly half the loudness — SIMONS products consistently achieve strong reductions depending on model and configuration.

Legal Information

  • No TÜV approval included.
  • Use in motorsport or with individual inspection/approval (§21) only.
  • Responsibility for road legality depends on regional regulations.

Who is SIMONS suitable for?

  • Performance-oriented vehicle builds
  • Custom dual-exit and multi-pipe exhaust systems
  • Turbo and high-horsepower applications
  • Customers seeking excellent noise reduction without sacrificing power
  • Fabricators requiring robust, weld-friendly stainless components

Summary

SIMONS stands for Swedish precision, robust stainless-steel construction, and outstanding sound dampening. Their universal mufflers and exhaust components provide an ideal balance of performance, acoustics, and longevity — making SIMONS one of the most trusted brands for custom and motorsport-grade exhaust systems.

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