
PERFORMANCE EXHAUST TECHNOLOGY · B2B MANUFACTURINGWHATSAPP +86 189 4930 7772

PRECISION EXHAUST ENGINEERING · WEIFANG, CHINA
Command the sound. Define the drive.
Premium valve-controlled exhaust solutions engineered for distributors, performance brands and professional workshops worldwide.
2013Manufacturing since
201 / 304Material options
OEM / ODMEngineered for B2B

VALVE-CONTROLLED PERFORMANCEPrecision flow. Instant character.
Configurable systems for performance applications
ALL MAKES & MODELS
PRODUCT PORTFOLIO
From components to complete systems.
Choose universal valve components or complete direct-fit exhaust assemblies developed around specific vehicle platforms.
01 / COMPLETE SYSTEMS
Direct-fit valved exhaust systems
Complete cat-back assemblies supplied with the required pipes, mufflers, valves and control options for installation.
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02 / UNIVERSAL COMPONENTS
Valved mufflers, pipes and control hardware

VALVED MUFFLER
Pneumatic Single-In / Single-Out Valved Muffler
2, 2.5 or 3 in pipe · 4.5 kg
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VALVED MUFFLER
Electric Single-In / Single-Out Valved Muffler
2, 2.5 or 3 in pipe · 4.5 kg
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DUAL OUTLET
Electric Single-In / Dual-Out Valved Muffler
2, 2.5 or 3 in pipe · 4.5 kg
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DUAL OUTLET
Pneumatic Single-In / Dual-Out Valved Muffler
2, 2.5 or 3 in pipe · 4.5 kg
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RESONATOR
Cyclone Perforated Extended-Pipe Resonator
4 or 5.5 in body · 14.96 in overall
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RESONATOR
Straight-Flow Extended-Pipe Resonator
4 or 5.5 in body · 14.96 in overall
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RESONATOR
Extended Bent-Pipe Resonator - Type 4
2, 2.5 or 3 in pipe · 14.96 in overall
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VEHICLE-SPECIFIC
Vehicle-Specific G-Class Valved Muffler
2.5 in pipe · vehicle fitment confirmation
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VEHICLE-SPECIFIC
Vehicle-Specific BMW Valved Muffler
2, 2.5 or 3 in pipe · optional 11 in body
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EXTERNAL VALVE
Electric External-Mount Valved Muffler
2, 2.5 or 3 in pipe · 19 in overall
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VEHICLE-SPECIFIC
BMW 3-Series Valved Muffler
Electric or pneumatic · 2, 2.5 or 3 in pipe
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CONTROLLER
2nd-Generation Vacuum Pneumatic Controller
Controller kit for pneumatic valve systems
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CONTROLLER
Upgraded Pneumatic Controller with Large Remote
Upgraded pneumatic controller and remote kit
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CONTROLLER
Electric Controller / Adapter Kit
Controller and adapter kit for electric valves
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CONTROLLER
Upgraded Electric Controller with Large Remote
Upgraded electric controller and remote kit
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MANUFACTURING FOUNDATION
From steel to controlled sound.
Reliability depends on material selection, repeatable welding, valve actuation and fitment control. HST supports universal and application-specific B2B development.
201 / 304Core stainless
materials
materials
3DScanning for selected
vehicle systems
vehicle systems
2–3 inCommon catalog
pipe sizes
pipe sizes
Final dimensions and configuration are confirmed before production.
Request a factory profile →CUSTOM EXHAUST DEVELOPMENT
Your dimensions. Your control. Your brand.
Configurable product development for distributors, tuning brands, exhaust shops and vehicle projects.
01
Pipe & body size
Custom inlet/outlet diameters, body dimensions and installation space
02
System layout
Single or dual outlet, T-type, external valve and vehicle-specific layouts
03
Valve & controller
Electric or pneumatic actuation with controller and remote selection
04
Brand & packing
Private-label marking and project-specific packing after confirmation
ENGINEERED AROUND REAL BUYER RISKS
Fitment. Heat. Actuation. Sound.
201 / 304 stainless-steel options BY APPLICATION
Electric and pneumatic valve control CONFIGURABLE
Final dimensions and configuration CONFIRMED BEFORE PRODUCTION
Catalog references HST-01 to HST-28 READY FOR SPECIFICATION
Send the catalog reference, pipe size, application, quantity and destination market for an order-specific quotation.START A CONVERSATION
Tell us what you need to build.
Share your target product, vehicle application, quantity and market.