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Exhaust

HKS Metal Catalyzer Downpipe For GR Supra

Downpipe engineered by HKS for performance and compliance. A Proper upgrade for GR Supra without compromise.

$ 2,890.00 per quantity

0 available in stock, available on back-order

Back-Order 2-3 Weeks ETA

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Metal Catalyzer

Boost performance and enhance exhaust flow on your GR Supra with the HKS Metal Catalyzer Downpipe. Designed with a 150-cell high-flow sports cat (compared to the stock 600-cell), it cuts exhaust backpressure by 40% while remaining WLTC emissions-compliant.

Crafted from premium SUS304 stainless steel, it features a lost-wax cast outlet for optimal gas flow, delivering sharper turbo response and dyno-tested gains of +13PS throughout the rev range. The result is a deeper, more refined exhaust tone—89dB with the OEM muffler—without unwanted excess noise.

■Features

The HKS catalyzer has 150 cells compared to the stock catalyzer‘s 600　cells, resulting in a 40% lower exhaust pressure.
Gain an approx. 13PS advantage by just replacing catalyzer. (In-house test)
The outlet is made by lost wax casting in order to produce ideal layout.
The product satisfies the new emission regulations by selected a cell with an optimized ratio of catalytic precious metals.
WLTC emission tests are thoroughly conducted in-house, and a third-party test certificate is obtained.

Each HKS Metal Catalyzer includes:

• HKS Metal Catalyzer Downpipe assembly
• Gaskets and installation hardware
• Emissions compliance certificate
• Complete installation guide

AFTERPAY?

NEED TIME TO MANAGE YOUR PURCHASE?

We offer lay-by option (i.e. deposit to hold) for high-ticketed item, so that you can spread out the cost while lock in your favourite colour.

100% NO interest, 25% Deposit Upfront.

Use Promo code "25deposit" at check out.
Get it touch for lay-by timeframe and details.

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AFTERPAY?

NEED TIME TO MANAGE YOUR PURCHASE?

We offer lay-by option (i.e. deposit to hold) for high-ticketed item, so that you can spread out the cost while lock in your favourite colour.

100% NO interest.

25% Deposit Upfront.
Use Promo code "25deposit" at check out.
Get it touch for lay-by timeframe and details.