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INFINITI Q50 — A Modern Global Sports Sedan
The INFINITI Q50 represents the evolution of Nissan’s long-standing sports sedan philosophy for the global market.
Known as the Skyline in Japan and the INFINITI Q50 overseas, both share the same RV37 platform—developed as true sibling models with a common engineering foundation.
While the name and branding differ by market, the core philosophy remains unchanged: a front-engine, rear-wheel-drive sports sedan built to deliver genuine driving enjoyment.In an era where such layouts are becoming increasingly rare, the Q50 stands as one of the last remaining V6 FR sedans available today.
The V6 Legacy of the RV37 PlatformThe V6 Legacy of the RV37 Platform
Throughout its lifecycle, the RV37 platform has offered multiple V6 powertrain options, each with a distinct character.
Early North American Q50 models were equipped with the naturally aspirated VQ37VHR, celebrated for its smooth high-revving nature and immediate throttle response—qualities that define the classic VQ series.
Later, the introduction of the VR30DDTT, a 3.0L V6 twin-turbo engine, brought a more modern approach.
Rather than replacing the VQ’s character, it offered a different interpretation of V6 performance—strong low-end torque, effortless acceleration, and refined drivability in everyday conditions.
High-revving naturally aspirated response or turbocharged torque and flexibility—RV37 allows drivers to choose the V6 personality that best fits their driving style.
This diversity is a defining strength of the platform.
Today, vehicles such as the INFINITI Q50 Red Sport 400 continue to carry the V6 FR torch forward.
Combined with strong base performance and increasingly accessible market pricing, the RV37 has become a highly realistic and appealing tuning platform—one whose value may not remain undervalued forever.
Why TOMEI Chose the RV37
At TOMEI, we see the INFINITI Q50 / SKYLINE (RV37) as a rare opportunity.Beyond engine variants or regional naming, it is a platform that allows drivers to truly build and refine their car—an experience that is becoming increasingly uncommon in modern automotive design.
Our goal was simple: to extract the inherent potential of the RV37 through exhaust engineering that respects the car’s balance, character, and driving feel.
That philosophy led us to develop a full titanium exhaust system specifically for this platform.
The Art of Single — TYPE-R Full Titanium Muffler
In 2021, TOMEI introduced the TYPE-R Full Titanium Muffler for the RV37 platform under the concept
“The Art of Single.”
Rather than chasing visual impact or excessive volume, the TYPE-R was developed with a clear priority on performance. A straight-through design with an 89.1mm main pipe and a carefully optimized exhaust path allows the engine’s natural pulse and revving character to be fully expressed.
The result was unmistakable.
The TYPE-R became one of the most successful exhaust systems in TOMEI’s history, with thousands of units sold worldwide.
Historically, the Skyline lineage favored single-exit exhaust layouts, emphasizing lightweight performance and mechanical efficiency.
TYPE-R stays true to that heritage—delivering exceptional responsiveness and reduced mass through a pure single-exit design that continues to earn the trust of enthusiasts around the world.
TYPE-D — Redefining Dual Exhaust Performance
After extensive prototyping and rigorous testing, the TYPE-D Dual Full Titanium Exhaust System was completed.
At its core lies the same philosophy that defines TOMEI: Function over Form.
Key Specifications
- Main Pipe Diameter: Φ80.5mm × 2
- Material: Full Titanium
- Structure: Straight-through
- Weight: 13.3kg / 29.32lbs
- OEM system: 21.0kg / 46.3lbs
- Sound Character: Deep, dry titanium tone with a refined low-frequency presence
- Application: INFINITI Q50 / SKYLINE RV37 (VR30DDTT)
TYPE-D achieves significant weight reduction while delivering ideal exhaust balance, allowing the V6 engine’s character to emerge with greater clarity, sharpness, and unmistakable titanium presence.
TYPE-R vs TYPE-D
| Model | Layout | Weight | Focus |
| TYPE-R [SINGLE] | Single | 7.9kg / 17.41 lbs | Ultra-lightweight, circuit-oriented performance |
| TYPE-D [DUAL] | Dual | 13.3kg / 29.32 lbs | Balanced street performance, sound quality, and aesthetics |
TYPE-R embodies pure performance through minimal mass and response.
TYPE-D builds upon that foundation, adding refinement in sound, visual presence, and daily drivability—without compromising function.
Sound, Philosophy, and Material — The Answer Chosen by TYPE-D
The sound produced by TYPE-D is what we call the Force of Titanium Note.
At idle, it delivers a calm, controlled low-frequency tone.
Under throttle, a dry and crisp mid-range emerges, transitioning seamlessly into a sharp, clean high-end note at higher RPMs—true to the V6 character.
This is not a system designed around volume or aggression alone. It is tuned as an instrument, engineered to respond naturally to engine speed, throttle input, and driver intent.
While stainless steel remains a practical and effective material, TOMEI chose titanium for this project for a clear reason. Reduced mass improves overall vehicle balance, sharpens response, and enhances the sense of lightness that drivers can feel behind the wheel.
After fully engaging with the RV37 platform, titanium proved to be the most honest and natural solution—one that allows the inherent quality of the INFINITI Q50 / SKYLINE (RV37) to shine through without excess.
If this exhaust enhances your time behind the wheel—even slightly—then it has fulfilled its purpose.
That belief is what shaped TYPE-R and TYPE-D, and it remains at the heart of everything we build at TOMEI.
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Tomei manufactures a large range of high quality, high performance parts for a large range of Japanese vehicles. All parts are designed and manufactured on-site in Japan at the Tomei facility.
JM Auto Racing is not just your average performance shop.We take pride in our service and will be with you every step of the way. JM Auto Racing is the ultimate one stop shop for all your automotive needs and family owned and operated since 2002. Become part of the JM Auto Racing family and make your next purchase with us.
Tomei parts are covered by a limited lifetime warranty. Please contact us for more information.
At JM Auto Racing we make returns and other client services as easy as possible. Our mission is to provide you with the best products and the best service in the automotive industry. We understand that sometimes, clients change their minds about products that they order or simply do not need them anymore. We also know that clients are cautious about terms and conditions since they are often tricky and misleading. Our goal is to make the return or exchange process trustworthy and as simple as 1-2-3.
Returns & Exchanges
If you are not satisfied with your purchase for any reason, we will be happy to accept a return for a refund or exchange on products in new/unused condition within 30 days of delivery.
- All returns and exchanges must be made via our return system.
- Returns will have a flat 15% restocking fee.
- Product(s) must be in new condition and in the original packaging (please do not assemble, install, or modify the product in any way). In the event of fitment, flaw or defect pictures may be necessary to complete your request.
- Any product that was used or fully/partially installed is non-returnable.
- In some cases, return of the physical product may not be required. For these products, instructions will be provided on how to process a field destroy or dispose of the original item.
- The few exceptions for items that cannot be returned include:
- Items classified as “special order” or “made to order”
- Custom Wheels & Tires Packages
- Electronics
- Any non-EPA compliant product including but not limited to """"off-road"""" test pipes, downpipes, headers and high flow cats. We will try to make as many accommodations as possible however a 25% restocking fee will apply. Please contact us to learn more.
- To start your return please click HERE
Cancellations
We all know that things happen a people change their mind as soon as the purchase things. We take pride in how quickly we get things out the door and with 4 warehouses to ship from plus stock owned at our manufacturers, that speed is always increasing. This is why we only except full cancellations within 30 minutes of placing an in stock order. This helps us ensure your package gets out on the truck immediately or can be flagged before it goes through the packaging process. For orders that are not in stock or special order, we allow 24 hours. Cancellations can be done online by following the instructions found HERE or by emailing support@jmautoracing.com ,
Your request will be processed as quickly as possible, but please note that sometimes products ship quicker than expected. After 24 hours, or after an out of stock item has been confirmed, fees will apply to all cancellations with the exception of Special Order items, made to order items or custom built items; which can not be cancelled after the 24 hour period. Items confirmed on reserve or pre-ordered are subject to a 10% cancellation fee.
Cancellations are subject to a 10% cancellation fee. This fee is not to rip you off in any way. When you place an order, we lose 3% due to credit card processing, and also another 3% to credit your account. The other 4% is much less then what is needed to cover all other costs and expenses lost by cancelling an order, that was already processed. This fee is will only be imposed on orders that have not shipped. If a special order has been placed, such as pistons, turbo's, etc., and the items are built and ready to ship out, and a cancellation is requested, a 25% cancellation fee will be imposed IF possible to be cancelled.
- To start your cancel please click HERE
What are my shipping fees?
For orders delivered within the continental US where reason for return isn't a result of a JM Auto Racing error, the cost of the initial shipping charge and a return fee will be deducted from your refund. A prepaid shipping label(s) will be provided.
Freight, international & non-continental US returns are accepted, however coordination of return shipping is the responsibility of the client. In the event an error is made by JM Auto Racing, a return shipping label will be provided.
Сore deposits
Some products sold on JM Auto Racing include a core deposit. These parts have a deposit that is charged upon purchase and fully refunded upon the return of the core. Cores must be in rebuildable condition and matching vehicle application to the product sold. Once the product is received and inspected, the deposit will be refunded to your original form of payment. Note: Product cores returned that are not fully assembled or are not the unit that was removed from the vehicle, will not be refunded and the core will be discarded. Detailed instructions on Core Deposit Returns can be found here.
Defective, damaged, or incorrect products
We all know that accidents happen sometimes. If your product(s) arrive defective, damaged, or simply incorrect, please contact our customer service department as soon as possible. Please do not attempt to use, install, modify, or repair the part! We will send you a replacement part and provide you with a prepaid return label to return the defective part. In some instances, return of the product may not be required. Products must be returned to us within 30 days. If the damage was caused by a shipping courier, we will schedule a damage pick up by the courier. Photos of the damage, defect, or fitment issue may be requested in order to correctly process your request. For items mispackaged or missing, returns and replacements will be handeled as warranty requests, subject to manufacturer involvement and normally handled within 24-48 hours. Please note that products must be in the original packaging and there are additional requirements for products that ship freight.
LTL and Freight Shipments will cover the delivery of most oversized items, including but not limited to, body kits, hoods, trunks, spoilers, doors, roll cages. Items should be thoroughly inspected at time of delivery. Any damage NEEDS to be notated on the Bill of Lading prior to the driver leaving for an insurance to be valid. If damage, is not noted, the insurance is voided out and will need to be dealt with between you and the shipping carrier.
Billing, refunds & credits
Payment for orders placed using PayPal of Affirm will be captured as soon as the order has been successfully placed. Payments for orders placed using a debit or credit card will be authorized only and captured upon shipping. What does this mean? If your order is in stock, it will be charged normally. For out-of-stock items arriving within 30 days, you may see the authorization temporarily fall off. The funds will be placed back into your account and you won't see the pending charge from us. Once the item ships, you will see the funds deducted and the charge posted to your account. For out-of-stock items after 30 days, the above will take place, however we will have to recharge your card once the item is ready to ship.
Refunds for returned products are issued with 3-5 business days once they are received by our warehouse and inspected. Refunds will be issued via the same payment method originally used to place the order (Credit Card, PayPal, Google, Affirm, Check). All returns, where JM Auto Racing is not at fault, will have 15% restocking fee less than cost of freight. Free shipping items will have the initial freight fees deducted from the final refund. Shipping is only free if you keep the item you purchased. Some items will have a higher restocking fee. This information will be revealed to you up front upon requesting a return. Once the refund has been issued a confirmation email will be sent. Please allow an additional 5-7 days for the credit to appear on your account.
Shipping & delivery
To ensure a fast and safe delivery we use FedEx, DHL, Ontrac, USPS, & UPS Ground/Air shipping services. Available shipping methods may vary for different type of products and shipping destinations. Most products in stock ship same day, or within 1 business day after which its delivery can be tracked via tracking number sent to your email. For custom or made to order items shipping time varies as they may have to be manufactured, painted, embroidered, or assembled.
Please keep the following in mind:
- Products that are oversized must ship truck freight / LTL which differs from ground shipments. NOTE: These oversized items require inspection and a signature upon delivery. For more information on freight shipping click here.
- Shipments to Canada are treated as all other international shipments. It is the recipient's responsibility to pay all applicable duties, taxes, & brokerage fees. Detailed Info can be found here here.
- Shipments to HI, AK, PR, Guam, Virgin Islands, APOs, & Canada might require extra shipping charges. International shipping quotes will be e-mailed to the customer before the credit card is charged.
- Oversized items such as hoods, body kits, bumpers, tonneau covers, roofs, trunks and spoilers may require additional postage that is not displayed on the website. You will be contacted prior to the item shipping to confirm.
To request an international shipping quote before placing an orderIf you would like special shipping arrangements, please contact us via live chat, email or call us at 1.855.998.8726
Disclaimer
In effort to provide our valued clients with the most up to date and accurate information, JM Auto Racing is continuously implementing real-time updates to our online superstore. Due to the immediate nature of these updates the correction of any errors and/or omissions can happen at any time without prior notice. This information may include but is not limited to pricing, availability, suggested use, fitment, compatibility, and warranties.
JM Auto Racing is not responsible for any additional charges, labor, loss, or damage incurred as a result of information, correct or incorrect, referenced or products purchased from JM Auto Racing. While we work to avoid any errors or omissions that may appear on the JM Auto Racing website, we do reserve the right to cancel any undelivered orders based on inaccurate information. more details