What is the primary benefit of the SILENT Hi-Power muffler design?

The SILENT Hi-Power muffler uses a unique internal design with a silent chamber. This chamber is specifically engineered to absorb unwanted exhaust frequencies, significantly reducing drone and making the exhaust note more comfortable for daily driving.

What materials is this HKS cat-back exhaust system made from?

This cat-back exhaust system is constructed from stainless steel. This material is chosen for its inherent resistance to corrosion and its ability to withstand the high temperatures and stresses of an exhaust system, contributing to its longevity.

Does this exhaust system come with all the necessary hardware for installation?

While this cat-back system is designed for a direct bolt-on installation, it's recommended to consult the manufacturer's installation instructions. These instructions will detail any specific hardware, gaskets, or tools required for a proper and secure fit.

HKS SILENT Hi-Power Cat-Back Exhaust 31019-AN017

Name: HKS SILENT Hi-Power S15 SR20DET
Brand: HKS
SKU: hks-hks-silent-hi-power-s15-sr20det-t14-113262
Price: 1060.10 USD
Availability: BackOrder

HKS SILENT Hi-Power S15 SR20DET

$1060.10

On Backorder — Expected to ship by Jun 19, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

HKS SILENT Hi-Power cat-back exhaust system for S15 SR20DET.

Key Features

This product is the HKS SILENT Hi-Power cat-back exhaust system for the S15 SR20DET.
Includes the muffler and all necessary piping from the catalytic converter back.
Features a unique muffler design with a silent chamber to reduce exhaust drone.
Constructed from stainless steel for corrosion resistance and durability.
Designed as a direct bolt-on replacement for the factory exhaust system.
Aims to improve exhaust flow for better throttle response and slight power gains.

This cat-back exhaust system is specifically designed for the S15 equipped with an SR20DET engine. Please verify fitment with the manufacturer's data for your specific vehicle.

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Product Details

This HKS SILENT Hi-Power cat-back exhaust system is what you get when you order part number 31019-AN017. It includes the main muffler section and all necessary piping to connect from the catalytic converter back to the rear of your S15 equipped with an SR20DET engine. This system is designed to replace your factory exhaust from the catalytic converter onwards, offering a significant upgrade in both sound and performance without being overly intrusive.

The SILENT Hi-Power line from HKS is known for its ability to reduce exhaust drone while still providing a satisfying, sporty tone. It utilizes a unique muffler design that incorporates a silent chamber to absorb unwanted frequencies, making it a great choice if you want an improved exhaust note that's comfortable for daily driving or long trips. The construction is typically from well-built stainless steel, which helps resist corrosion and ensures longevity, even in harsh conditions. This cat-back system is engineered to bolt directly onto your existing exhaust hangers and connect to your factory catalytic converter, simplifying the installation process. You can expect a noticeable improvement in exhaust flow compared to the stock system, which can contribute to better throttle response and a slight increase in power.

When installing this exhaust, ensure you have the proper tools for unbolting the old system and securing the new one. It's always a good idea to check the manufacturer's installation instructions for any specific torque recommendations or hardware requirements. This system is a popular choice for SR20DET owners looking for a balance of performance, sound quality, and everyday drivability.