
OEM SPECIFICATION
SILENCER MANUFACTURER
PROFESSIONAL DPF RESTORATION EXPERTS
High Quality OEM Specification Silencers & Professional DPF Cleaning Services with 15+ Years of Manufacturing Excellence.
MANUFACTURER
MODELS MANUFACTURED
STRONG NETWORK
COMPLETE EXHAUST SYSTEM SOLUTIONS
OEM Specification Silencer Manufacturing & Professional DPF, DOC, SCR & ASC Cleaning Services
Hi Quality Silencers is an ISO Certified company and the proud manufacturer of the TUNEX®️ brand, specializing in OEM Specification Silencers and Professional DPF, DOC, SCR & ASC Cleaning Services for passenger and commercial vehicles.
Our TUNEX®️ OEM Specification Silencers are engineered for precise OEM fitment, superior noise reduction, and reliable long-term performance. Each silencer is manufactured using high-quality tube pipes and 1.60 mm or 2.00 mm galvanised sheets or pipe, ensuring exceptional strength, corrosion resistance, and durability.
Designed to deliver a minimum service life of 10 years under normal operating conditions, every product undergoes stringent quality inspections before dispatch. In addition, we provide professional DPF, DOC, SCR & ASC cleaning services using advanced cleaning technology to restore exhaust system efficiency without damaging the substrate.
Backed by 15 years of manufacturing excellence, every TUNEX®️ silencer comes with a 15-month warranty, reflecting our unwavering commitment to quality, reliability, innovation, and customer satisfaction.
OUR SERVICES
Specialized OEM Silencer Manufacturing & Professional DPF Restoration Services
PROFESSIONAL DPF RESTORATION
5-stage scientific DPF cleaning restoring original exhaust flow & back pressure
OEM SILENCER MANUFACTURING
ISO certified silencer manufacturing with 15+ years of OEM precision experience
CATALYTIC CONVERTER SERVICE
Complete diagnostic, cleaning & replacement for optimum emission control
FLEX PIPE REPLACEMENT
Precision flex pipe welding, replacement & vibration dampening exhaust repair
EXHAUST REPAIR
Complete exhaust system diagnostics, leak repair, and component restoration
OUR PRODUCTS
Wide Range of OEM Specification Silencers & Exhaust Components

CAR SILENCERS
High performance OEM specification silencers for all passenger cars. Built for durability.

SUV SILENCERS
Robust silencers designed for SUVs and pickup trucks for powerful performance.

COMMERCIAL VEHICLE SILENCERS
Heavy duty silencers for LCVs, trucks, and commercial fleet vehicles.

GENERATOR SILENCERS
Precision generator silencers engineered for consistent flow dynamics and low back pressure.

CUSTOM SILENCERS
Bespoke custom-built silencers tailored to exact vehicle specifications and customer requirements.
PROFESSIONAL DPF RESTORATION PROCESS
Advanced Technology. Expert Care. Maximum Performance.
PRE INSPECTION

DPF condition check using advanced diagnostic equipment and visual inspection.
CHEMICAL SOAKING

Specialized cleaning chemicals are used to break down tough soot, ash and contaminants.
HYDRO-PNEUMATIC CLEANING

High pressure water & air pulses remove all loosened particles from the DPF cell structure.
THERMAL REGENERATION

Thermal process eliminates remaining soot particles and restores filter to optimal condition.
FINAL FLOW & PRESSURE TEST

Final testing ensures proper flow, back pressure and 100% performance before delivery.
WHY CHOOSE HI QUALITY SILENCERS?
Delivering OEM Quality, Performance & Trust Since Day One
OEM SPECIFICATION MANUFACTURING
All silencers are manufactured as per OEM specifications for perfect fit, performance and durability.
PREMIUM QUALITY MATERIALS
Manufactured using premium quality tube pipes and 1.60 mm or 2.00 mm galvanised sheets or pipe for superior strength, corrosion resistance, and long-lasting durability.
ADVANCED MANUFACTURING
State-of-the-art technology, skilled workforce and strict quality control to deliver consistent excellence.
ISO CERTIFIED
Our processes are ISO certified ensuring international quality standards. Click to download certificate.
15 MONTHS WARRANTY
We stand behind our quality with 15 months warranty for complete peace of mind.
FAST DELIVERY ACROSS INDIA
Strong logistics network ensuring on-time delivery to every corner of India.
PROFESSIONAL TECHNICAL SUPPORT
Expert technical team always ready to assist you with the right solutions and guidance.
TRUSTED BY 1800+ CUSTOMERS
Our commitment to quality and customer satisfaction has built a strong network of 1800+ dealers and customers.
OUR BLOG
Expert articles to help vehicle owners understand DPF maintenance, warning signs & professional restoration.
DPF DIAGNOSTICSCommon DPF Fault Codes That Can Often Be Resolved by Professional DPF Restoration
Diagnostic guide to common Diesel Particulate Filter (DPF) fault codes. Learn which soot, ash, and pressure error codes can be resolved through professional restoration, and which require sensor or mechanical repairs.
Read Full Article
DPF MAINTENANCEDPF Sensor & Pressure Pipe Cleaning Guidelines
Complete cleaning guidelines for DPF sensors (EGT, Oxygen/Lambda) and pressure pipes. Learn safe cleaning procedures, precautions, and how to avoid sensor damage.
Read Full ArticleFREQUENTLY ASKED QUESTIONS (FAQ)
Everything you need to know about DPF | DOC | SCR | ASC cleaning, pre-cleaning scanner diagnostics, 5-stage scientific cleaning, troubleshooting warning lights, and nationwide parcel service.