SIMONS Silencer Heavy - 63,5mm - LEISE
Length (body): 500mm / Diameter: 220mm x 140mm oval / Connections: 63,5mm / Performance information: up to 350HP
€142.00
Content:
1 Stück
Available in 1 day, delivery time 5-8 Days
Product number:
WB-90009
Manufacturernumber:
2903103300
EAN:
4250815820034
"SIMONS Silencer Heavy - 63,5mm - LEISE"
SIMONS Universal Stainless Steel Muffler – Large Oval Body, Very Quiet & Durable
This large oval SIMONS universal muffler features a 500 mm body length for excellent noise reduction and smooth exhaust flow. Produced in Sweden from high-quality stainless steel (1.4307), it offers superior durability and consistently quieter performance compared to many competitor mufflers tested by SIMONS. With its straight-through perforated absorption core, the muffler ensures minimal back pressure, making it ideal for naturally aspirated or turbocharged engines up to approx. 350 HP. The 63.5 mm slotted inlet allows easy installation via clamp or weld.Key Features
- Premium stainless steel 1.4307
- Very quiet – excellent noise reduction in independent tests
- Large oval body (220 × 140 mm) for strong acoustic damping
- Straight-through perforated core – no chambers
- Suitable for engines up to approx. 350 HP
- High durability and corrosion resistance
- Made in Sweden – no low-cost import
Technical Specifications
- Material: Stainless Steel 1.4307
- Body Length: 500 mm
- Diameter / Shape: 220 × 140 mm oval
- Inlet Size: 63.5 mm (inner diameter, slotted)
- Performance: Up to approx. 350 HP
- Weight: 5.6 kg
Noise Reduction Comparison
Idle & 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 equals half perceived loudness.
Legal Notice
No TÜV approval. 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
No reviews found. Share your insights with others.