Are the exhaust tips blue like some of the product photos?

No. The tips supplied with part number 31029-AF011 are silver. HKS states that the tip color is silver rather than the burnt blue gradation, so a photo showing blue tips does not represent the finish you receive. The Super Turbo Muffler for VA ships with left and right 124mm tips in that silver finish.

Does the Super Turbo Muffler for VA fit the non-STI WRX?

No. HKS USA lists this kit for the 2015 to 2021 WRX STI with the EJ257 engine only. The FA20 turbo WRX sedan of the same generation is not listed for part number 31029-AF011, so BA does not offer it for that model. Look for an HKS part number listed specifically for the FA20 WRX instead.

Is the center pipe included with the HKS exhaust?

Yes. HKS includes the center pipe with part number 31029-AF011, so the kit covers the center section as well as the muffler and tips. HKS lists that center pipe as the lowest point of the system at a minimum of 125mm from the road on stock suspension, which is worth checking on an STI that has been lowered.

Which limited-edition STI models are excluded?

HKS Japan lists the S207, S208 and TYPE RA-R as not compatible with this Super Turbo Muffler. Those are Japanese-market models, and BA has not seen an HKS compatibility statement for US limited editions such as the S209 or the 2018 Type RA. Contact BA with your VIN before ordering for any limited-edition STI so fitment can be confirmed.

Does the EJ257 need a tune after fitting this HKS exhaust?

No. HKS does not list a tune as a requirement for part number 31029-AF011, and no engine management is included in the kit. An STI already running a custom tune, an upgraded turbo or other intake changes should be reviewed by its tuner after installation, because exhaust changes can alter how boost builds on a modified EJ257.

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Description

HKS Super Turbo Muffler for VA Subaru WRX STI

The HKS Super Turbo Muffler for VA WRX STI is a SUS304 stainless system for the 2015 to 2021 EJ257 sedan that comes with its own center pipe and finishes in left and right 124mm silver tips. Because the center section is part of the kit, it replaces more of the exhaust than a rear muffler alone and gives one consistent HKS layout from the middle of the car back. It makes the most sense on a street STI kept near stock ride height, where the published 125mm minimum clearance holds. Limited-edition owners should read the compatibility notes first, since HKS Japan excludes several of those models.

Features

SUS304 stainless steel as the main material
Center pipe supplied with the kit, 75mm at its largest diameter
Left and right 124mm tips in a silver finish
Exhaust sound developed to meet the Japanese JASMA noise standard
Sound character HKS designs around the engine it is built for

What’s Included

Super Turbo Muffler with left and right tips
Center pipe

Applications

Subaru WRX STI: VA | 2015-2021 | EJ257

Notes

The tips on this kit are silver, not the blue gradation seen in some product photos
HKS USA lists the Super Turbo Muffler for VA as a fit for the EJ257 WRX STI only; it is not listed for the FA20 WRX
HKS Japan lists this kit as not compatible with the S207, S208 and TYPE RA-R, so contact BA before ordering for any limited-edition STI
Road clearance is quoted by HKS on stock suspension; lowered cars should check clearance at the center pipe
Intended for off-road or competition use where emissions laws apply; the buyer is responsible for checking local regulations before installation

Frequently Asked Questions

Are the exhaust tips blue like some of the product photos? No. The tips supplied with part number 31029-AF011 are silver. HKS states that the tip color is silver rather than the burnt blue gradation, so a photo showing blue tips does not represent the finish you receive. The Super Turbo Muffler for VA ships with left and right 124mm tips in that silver finish.
Does the Super Turbo Muffler for VA fit the non-STI WRX? No. HKS USA lists this kit for the 2015 to 2021 WRX STI with the EJ257 engine only. The FA20 turbo WRX sedan of the same generation is not listed for part number 31029-AF011, so BA does not offer it for that model. Look for an HKS part number listed specifically for the FA20 WRX instead.
Is the center pipe included with the HKS exhaust? Yes. HKS includes the center pipe with part number 31029-AF011, so the kit covers the center section as well as the muffler and tips. HKS lists that center pipe as the lowest point of the system at a minimum of 125mm from the road on stock suspension, which is worth checking on an STI that has been lowered.
Which limited-edition STI models are excluded? HKS Japan lists the S207, S208 and TYPE RA-R as not compatible with this Super Turbo Muffler. Those are Japanese-market models, and BA has not seen an HKS compatibility statement for US limited editions such as the S209 or the 2018 Type RA. Contact BA with your VIN before ordering for any limited-edition STI so fitment can be confirmed.
Does the EJ257 need a tune after fitting this HKS exhaust? No. HKS does not list a tune as a requirement for part number 31029-AF011, and no engine management is included in the kit. An STI already running a custom tune, an upgraded turbo or other intake changes should be reviewed by its tuner after installation, because exhaust changes can alter how boost builds on a modified EJ257.

About HKS

HKS is a Japanese performance engineering brand founded in 1973 and headquartered in Fujinomiya, Shizuoka, with a long-standing reputation for developing high-quality aftermarket parts and motorsport-proven technology for enthusiast and professional applications. Known for innovations in turbocharging and engine performance, HKS produces a broad range of components including exhaust systems, turbo kits, electronics / engine management, and suspension solutions, with product development heavily influenced by decades of involvement in racing disciplines such as circuit time attack, drag, and drifting.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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HKS Super Turbo Muffler for VA Subaru WRX STI [31029-AF011]

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HKS Super Turbo Muffler for VA Subaru WRX STI

Features

What’s Included

Applications

Notes

Frequently Asked Questions

About HKS

Reviews