What material is the HKS LEGAMAX Sports FL5 exhaust made from?

This exhaust system is constructed from SUS304 stainless steel. This material is chosen for its strength and resistance to corrosion, which is important for exhaust components that are exposed to heat and moisture.

What is the main benefit of installing a cat-back exhaust system?

A cat-back system replaces the factory exhaust from the catalytic converter back. This generally improves exhaust flow, which can lead to a more responsive engine feel and a sportier exhaust note. It's a popular way to enhance both the sound and performance of a vehicle.

Does this exhaust system require welding for installation?

Cat-back exhaust systems like the HKS LEGAMAX Sports FL5 are typically designed as a bolt-on replacement for the factory system. This means installation usually does not require welding, though you will need the appropriate tools to remove the old exhaust and install the new one.

HKS LEGAMAX Sports FL5 Cat-Back Exhaust 31021-AH005

Name: HKS LEGAMAX Sports FL5 K20C TYPE-R
Brand: HKS
SKU: hks-hks-legamax-sports-fl5-k20c-type-r-t14-640633
Price: 2854.91 USD
Availability: BackOrder

HKS LEGAMAX Sports FL5 K20C TYPE-R

$2854.91

On Backorder — Expected to ship by May 19, 2026

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

HKS LEGAMAX Sports FL5 K20C TYPE-R cat-back exhaust.

Key Features

This is a cat-back exhaust system for the K20C Type-R.
Constructed from SUS304 stainless steel for durability and corrosion resistance.
Designed to improve exhaust flow and enhance the vehicle's sound.
The FL5 designation indicates it is specifically made for the Type-R chassis.

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Product Details

HKS is well-known for making performance parts that really let your engine breathe and sound its best. This LEGAMAX Sports FL5 cat-back exhaust system is a prime example, built specifically for the K20C Type-R. It's designed to replace the factory exhaust from the catalytic converter back, improving exhaust flow and giving your car a more aggressive, sporty tone that complements its performance capabilities.

This system is constructed from SUS304 stainless steel, a strong material that resists corrosion and holds up well over time, even with the heat and moisture exhaust systems endure. The piping diameter is optimized to work with the K20C engine, helping to reduce back pressure and allow the engine to expel exhaust gases more efficiently. This can lead to a more responsive feel and a noticeable change in the exhaust note, making your Type-R sound as good as it performs. The FL5 designation means it's tailored for that specific chassis, ensuring a good fit during installation.

When installing a cat-back system like this, you're typically looking at a bolt-on process that doesn't require welding. It's a popular upgrade for owners who want to enhance both the sound and the performance of their Type-R. You'll want to make sure you have the necessary tools for unbolting the stock system and bolting up the new one. The LEGAMAX Sports FL5 is a solid option for anyone looking to give their K20C Type-R a more engaging driving experience.