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HKS 2009-2024 Nissan R35 GTR Flux Welded Legamax Premium Exhaust (Quad Tips) - 31021-KN001

MSRP: $2,912.00
$2,016.00
(You save $896.00 )

SKU:
hks31021-KN001
UPC:
4957266931066
Box Weight:
26.00 LBS
Shipping:
Calculated at Checkout

 Free Shipping On Most Orders Over $99. Within The Continental US. A Signature Will Be REQUIRED For Delivery On All Orders Over $250.00. Exclusions May Apply.  Learn More

HKS 2009-2024 Nissan R35 GTR Flux Welded Legamax Premium Exhaust (Quad Tips) - 31021-KN001

Part No.: 31021-KN001 | Available at Just Bolt-On Performance Parts

Unleash the true performance and aggressive tone of your 2009–2024 Nissan R35 GT-R with the HKS Flux Welded Legamax Premium Exhaust System. Designed for maximum exhaust efficiency, deep exhaust sound, and premium craftsmanship, this system features high-quality SUS304 stainless steel construction and quad tips, making it a perfect upgrade for GT-R enthusiasts who demand the best in performance and aesthetics.


Precision-Engineered for Performance & Sound

The HKS Legamax Premium Exhaust is crafted using advanced flux welding techniques, ensuring exceptional durability, precision, and airflow optimization.

Smooth mandrel-bent piping enhances exhaust flow for increased horsepower and torque
Flux welding technology ensures high-strength, seamless welds for maximum durability
Oval silencer design (TYPE-S) for an optimized balance of performance and noise reduction
Large-diameter piping enhances turbo efficiency and throttle response

This exhaust system is designed to provide a refined yet aggressive tone, making your GT-R sound deeper and more pronounced without excessive drone.


Aggressive, Deep Exhaust Note

The HKS Legamax Premium Exhaust is tuned to provide a race-inspired sound while maintaining street-friendly comfort.

Deep, aggressive tone at wide-open throttle
Controlled, refined exhaust note at idle and cruising speeds
Optimized internal silencer design to balance performance and sound quality

By utilizing a carefully engineered silencer system, this exhaust ensures a sporty, high-performance exhaust note without overwhelming cabin noise.


High-Quality Stainless Steel Construction for Long-Lasting Performance

Built from premium SUS304 stainless steel, the HKS Flux Welded Legamax Premium Exhaust offers:

  • Exceptional corrosion resistance for long-term durability
  • Mandrel-bent tubing to minimize restriction and maximize exhaust flow
  • Quad 120mm exhaust tips for a bold, motorsport-inspired appearance
  • Precision welds and premium construction for high-performance applications

This track-proven design ensures that your GT-R’s exhaust system remains durable, efficient, and aggressive for years to come.


Optimized Exhaust Flow for Improved Turbo Response

The Legamax Premium Exhaust features a high-flow design that reduces exhaust backpressure, improving:

Throttle response for quicker acceleration
Turbo spool efficiency for increased power output
Exhaust scavenging for smoother power delivery

With increased exhaust velocity, this system helps enhance mid-range torque and high-rpm performance, making the GT-R even more responsive and exhilarating to drive.


OEM-Like Fitment with a High-Performance Edge

The HKS Flux Welded Legamax Premium Exhaust is engineered to be a direct bolt-on replacement, ensuring:

Perfect fitment with OEM mounting points
No cutting, welding, or modifications required
Seamless integration with stock and aftermarket GT-R setups

Designed for enthusiasts who want an upgrade without the hassle of complicated installation, this system delivers performance and sound without sacrificing reliability.


Fitment & Compatibility

  • Vehicle Compatibility:
    • 2009–2024 Nissan R35 GT-R
  • Exhaust Type: HKS Legamax Premium Quad-Tip Flux Welded Exhaust
  • Material: SUS304 Stainless Steel
  • Part No.: 31021-KN001
  • Silencer Type: TYPE-S (Oval) for Noise Reduction & Performance Balance
  • Exhaust Tip Diameter: 120mm (Quad-Tip Design)

Why Choose the HKS Flux Welded Legamax Premium Exhaust?

Flux welding technology ensures superior strength and durability
Large-diameter quad tips give the GT-R a bold, aggressive look
Deep, refined exhaust tone with no excessive drone
High-flow design improves turbo response and power delivery
Direct bolt-on installation with OEM-like fitment


Upgrade Your GT-R’s Exhaust System with HKS Performance

For R35 GT-R owners looking for a high-performance, aggressively styled exhaust system, the HKS Flux Welded Legamax Premium Exhaust (31021-KN001) is the ultimate solution. With premium stainless steel construction, race-proven performance, and a deep, powerful exhaust tone, this system elevates your GT-R’s sound and driving experience.

Find yours today at Just Bolt-On Performance Parts and experience the legendary performance of HKS engineering!

Shipping & Returns

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HOW TO RETURN AN ORDER

To return an order, please contact us HERE, with detailed information regarding the return. We can only accept items that are in new condition and have never been installed. We cannot accept any used, previously installed, or damaged items. If an item is sent back to us used, previously installed and/or damaged, it is now the property of Just Bolt-On Performance Parts and no refund will be issued. All returns must include the provided Return Merchandise Authorization (RMA) form or RGA number, to help expedite the return process. We will then provide the Return Shipping Address for the return. Pictures of the parts being returned are also required. All returns are subject to a 20% Restocking Fee of the original purchase price. Some orders cannot be return – see the list of non-returnable orders below. 

RETURN POLICY

The buyer has 30 days from original purchase to initiate a return RMA and forward tracking information to us. No refund will be given for products that arrive after the 30 days from the original purchase date. Tracking information is required for all returns. When shipping an item back to us, we recommend that you use UPS, FedEx or any other carrier that offers signature confirmation and insurance, as we are not responsible for lost or damaged packages. Only the signature of an Just Bolt-On Performance Parts employee will suffice as proof of delivery. The customer agrees to bear all shipping and insurance charges, and all risk of loss during return shipment. If an order is refused “Returned to Sender”, no refund will be issued. Buyer is responsible for all return shipping charges.

We will not accept a return of an item that is damaged or defective if it has been used/installed, please inspect all orders as soon as you receive them and contact us HERE within 72 hours. If the order is damaged during shipment, Just Bolt-On Performance Parts will replace the item free of charge. 

When you purchase items that qualify for a promotional offer such as Buy "X" number of items, Get "X" number of items free, the discount reflecting the price of the lowest-priced item is proportionally applied to each eligible item. If any item is returned, the refund will be equal to the original price of the item reduced by the proportional discounted amount.

RECEIVED DAMAGED ORDER

We try our best to prevent damage to all packages during transit by packing each order carefully. From time to time, though, damage will occur despite our precautions.  If you receive an item that has been damaged in shipping, please call us within 72 hours of receipt and we will set up a claim for the product. Once this claim has been processed by the courier, we will reach out to you to return the product and send out a replacement.

We may request pictures to further assist with the completion of the claim.

The courier will reach out to you after the claim has been filed over the phone; please provide a reliable contact number when setting up your damage claim.

DEFECTIVE PRODUCTS

If you receive a defective product, please contact us within 72 hours, and we will process your return or replacement free of shipping charge. Contact us HERE to process your return.

In the event of a defect that occurs outside our return policy, but within the manufacturer warranty, please contact the manufacturer directly to process your return. The manufacturer will have sole determination of the outcome of the claim. As a courtesy to our customers, Just Bolt-On Performance Parts will be happy to try to facilitate a thorough review of the claim, but we have no final say in the decision made by the manufacturer (i.e. approvals, denials, fees, etc.).

Just Bolt-On Performance Parts is not responsible for any labor costs which occur as the result of the installation of wrong or defective parts.

NON-RETURNABLE ORDERS

Returns will not be given for the following items:

·       Just Bolt-On Performance Parts gift cards.

·       Any products sold as "Open Box". 

·       Non-defective used or installed items.

·       Wheels that have already been mounted and balance. This includes wheels packages from Just Bolt-On Performance Parts.

·       All special orders, custom, and/or built to order parts. This includes but not limited to, Weld Offroad, Addictive Desert Design, Rigid Industries, Please contact us prior with any questions. 

·       All electronics including but not limited to handheld devices and chargers.

·       Batteries, fluids, lubricants and all maintenance products.

·       All orders that required freight delivery.

·       International orders that shipped outside of the United States.

REFUNDS

Once the return is received, please allow 5-7 business days for the refund to be issued. All items included in the return are fully inspected by our Returns Department prior to issuing a refund. All refunds will be issued to the original payment method. Allow 3-5 business days for the refund to settle back to the original payment method. The original shipping and handling charges are non-refundable. Processing time will vary, depending on your financial institution. 


NEED TO CANCEL

We strongly suggest you call us at 1-844-526-2658 as soon as possible after placing your order if you need to change or cancel it, as orders are processed within minutes!  If you email us, we may not receive them in time to stop the order from shipping out.  Please double-check that your order details are correct before submitting your order during checkout.

An order that has already received tracking information and/or shipped cannot be canceled.  If an order has been assigned a tracking number but the tracking information has not updated, this does not mean the order has not shipped. Please contact us HERE to set up a Return Merchandise Authorization (RMA) once your order has been received.

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