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SIMONS Silencer Turbex - 76mm - LEISE

"SIMONS Silencer Turbex - 76mm - LEISE"

SIMONS Universal Stainless Steel Muffler – Long Round Design, Ultra Quiet & High Flow

This long, round SIMONS universal muffler provides exceptional noise reduction thanks to its generous 625 mm body length and premium stainless steel construction. Despite its slim 125 mm round diameter, the muffler offers impressive acoustic performance while maintaining excellent exhaust flow. Manufactured entirely in Sweden, SIMONS mufflers outperform many comparable brands in independent noise tests, offering superior durability and quieter operation. Ideal for performance engines up to approx. 600 HP, turbocharged setups, custom exhaust systems or motorsport applications where low back pressure and effective damping are essential.

Key Features

  • High-grade stainless steel 1.4307
  • Very quiet – excellent noise reduction performance
  • Long 625 mm round body for strong acoustic damping
  • Straight-through perforated absorption design
  • Suitable for engines up to approx. 600 HP
  • Mountable via clamp or weld – slotted 76 mm inlet
  • Made in Sweden – not a low-cost import

Technical Specifications

  • Material: Stainless Steel 1.4307
  • Body Length: 625 mm
  • Diameter: 125 mm round
  • Inlet Size: 76 mm (inner diameter, slotted)
  • Performance Range: Up to approx. 600 HP
  • Weight: 4.5 kg

Noise Reduction Comparison

Based on idle and 2000 rpm measurements 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 is perceived as half the 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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