SIMONS Silencer Big - 63,5mm - LEISE
Length (body): 420mm / Diameter: 185mm x 115mm oval / Connections: 63,5mm / Performance information: up to 350HP
€112.00
Content:
1 Stück
Available in 1 day, delivery time 5-8 Days
Product number:
WB-90010
Manufacturer:
Simons
Manufacturernumber:
2903103200
EAN:
4250815820041
"SIMONS Silencer Big - 63,5mm - LEISE"
SIMONS Universal Stainless Steel Muffler – Compact, Quiet & High-Quality Swedish Construction
This universal SIMONS muffler features a compact 420 mm body and an oval 185×115 mm shell — designed to deliver excellent noise reduction while maintaining optimal exhaust flow for engines up to approx. 350 HP. Manufactured entirely in Sweden from premium-grade stainless steel (1.4307), SIMONS mufflers are known for their outstanding acoustic performance and long-lasting durability. The straight-through absorption core minimizes back pressure and ensures efficient performance whether installed as a front, mid or rear muffler.Key Features
- High-quality stainless steel 1.4307
- Very quiet – superior sound damping in independent tests
- Compact oval design: 185 × 115 mm
- Straight-through perforated absorption core (no chambers)
- Suitable for engines up to approx. 350 HP
- 63.5 mm slotted inlet – clamp- or weld-ready
- Made in Sweden – premium craftsmanship
Technical Specifications
- Material: Stainless Steel 1.4307
- Body Length: 420 mm
- Diameter / Shape: 185 × 115 mm oval
- Inlet Size: 63.5 mm (inner diameter, slotted)
- Performance Range: Up to approx. 350 HP
- Weight: 3.8 kg
Noise Reduction Comparison
Sound reduction values from idle & 2000 rpm tests vs. open pipe:- 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. A difference of 10 dB equals about half perceived loudness.
Legal Notice
No TÜV approval. For motorsport or individual approval (§21) only.
| Anschluss: | 63,5 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.Login
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