RES X JDMuscle 15-21 WRX/STI Valvetronic Catback Exhaust MT & CVT

Make to order w/ 3 weeks ish turn around time. New reduced pricing***

This is the perfect solution if you are looking for something quiet on street and roars on track. RES has made it possible to 2015+ WRX/STI owners.

As tested on our 2016 Subaru WRX STI with Cobb catted downpipe. The highest volume when valve is closed is 93db and when the valve open the peak came out to be around 119db. No drone was detected during any RPM range with valve on or off.

Since the inception in 2000, RES has been adhering to "INTEGRITY, PRAGMATIC, PIONEERING AND INNOVATIVE" business philosophy

Specialized in customizing the highest quality 304 Stainless Steel and Titanium Catback Exhaust System, RES will build your unique exhaust system that tailored to your specification:

Material: Stainless Steel/Titanium
Resonated/Non-resonated
3in/76mm Piping
Muffled/Non-muffled
13 Tip Styles to choose from
3 mode Valvetronic System with full app control, Remote and optional Designer Hover Switch which adds convenience and style to your interior

For quotes and details on customization, please reach out to sales@JDMuscleUSA.com. This is a make to order item, turn around is between 2-4 weeks.

By default non-resonated and 3.5inch tips will be provided. Please leave in the order notes if you would like something different.

RES Valvetronic Catback Exhaust

The RES Valvetronic Catback exhaust uses Valvetronic technology, which efficiently controls the gas flow, engine performance, and sound frequency. This exhaust helps your car generate more torque at low RPMs and higher horsepower at higher RPMs. Since you need the best RES ValvetronicCatback exhaust, you should consider JDMuscle—the ultimate online auto parts store.

RES Valvetronic Catback Exhaust for Subaru WRX

Update your Subaru WRX with a genuine RES Valvetronic Catback exhaust from JDMuscle. We offer multiple RES Valvetronic exhaust options, fitting different Subaru models, regardless of the year of manufacture.

As certified partners, we guarantee products directly from the manufacturer. These Valvetronic Catback Subaru exhaust devices do not harm the engine, ensuring optimal performance and excellent sound control.

Our high-quality Catback exhaust devices are made from titanium and 304 stainless steel, guaranteeing enhanced sturdiness. These materials withstand extreme temperatures, which is central to enhanced exhaust performance.

We have experts that can help replace your Subaru exhaust with the RES Valvetronic Catback exhaust. Our technicians are experienced and skilled enough to guarantee top-notch installation and repair services. We could also assess other exhaust issues, arresting them on time.

Upgrade Your Subaru WRX With a RES Valvetronic Catback Exhaust

It is time to upgrade your Subaru exhaust! Investing in a RES Valvetronic Catback exhaust offers value for your money, thanks to its robustness, durability, and reliability. This device provides multiple car benefits, from enhanced engine performance and sound flow to excellent gas flow.

We offer authentic RES Valvetronic Catback exhausts directly from the manufacturer. Our expansive range of products makes choosing an exhaust that suits your style, preferences, and budget easier.

We also have a variety of financing strategies that ensure our customers get high-quality Subaru exhaust products and pay for them in affordable monthly installments.You can rely on our experts to install and help maintain your Subaru exhaust replacement. We can inspect the car and determine which RES Valvetronic Catback exhaust suits you best.

Why JDMuscle for RES Valvetronic Catback Exhaust

JDMuscle is an excellent auto parts shop to purchase your Subaru exhaust from! We are a reputable facility certified by various manufacturers, guaranteeing high-quality products. Besides our high-tech services, we guarantee multiple financing options to lessen the burden on you. Contact us today for a comprehensive quote on the best RES Valvetronic Catback exhaust!

At JDMuscle, we understand that fast and reliable shipping is crucial. With multiple distribution centers across the nation, most in-stock items are shipped within 1-2 business days. On average, you can expect delivery within 1-5 business days for in-stock items. Please note, however, that some products may ship directly from vendors, which could result in additional delays. Products sourced from overseas may also take longer to arrive. For more info, please visit the link below.

JDMuscle Shipping Policy

JDMuscle Return policy lasts 30 days. If 30 days have passed since your purchase, unfortunately, they can’t offer you a refund or exchange. To initiate a return, please email sales@jdmuscleusa.com.

Eligibility for Returns

✅ Items must be unused and in the same condition as when received.
✅ Items must be in their original packaging.

How to Initiate a Return

📧 Include the following details in your return request email:

Order Number
Item(s) to be returned
Reason for return

Important Notes:

Do NOT send your purchase back to the manufacturer.
Do NOT return any items without first setting up a return request with us.

Partial Refunds

Partial refunds may be granted under the following conditions:

Items not in original condition, damaged, or missing parts not due to our error.
Items returned more than 30 days after delivery.

Restocking Fees

JDMuscle charges a 15% Restocking Fee

Cancellations

Before placing an order, please confirm availability.

Cancellations within 7 days may be subject to fees to cover third-party transaction costs.

Once the order has been processed (packaged or tracking generated), cancellations are not allowed. Eligible items may be returned instead.

Refund Process

🔄 Once your return is received and inspected, we will notify you of the refund status.
💳 Approved refunds will be credited back to your original payment method within 3-10 business days (depending on the payment provider).

Return Shipping

📦 Customers are responsible for return shipping costs unless the item is damaged, defective, or incorrect (in which case we will cover shipping both ways).

Initial shipping costs are non-refundable.

Return shipping costs will be deducted from the refund amount.

For items over $75, consider using a trackable shipping service or purchasing shipping insurance. We are not responsible for lost or damaged items during return shipping.

Return Shipping Address: Please use the address provided in the RMA/return instructions, as it may differ from the initial shipping address.

JDMuscle Return Policy

JDMuscle

JDMuscle is a U.S.-based aftermarket parts brand founded by car enthusiasts, specializing in performance and styling upgrades for Japanese vehicles like Subaru, Nissan, Toyota, and Mazda. With a massive catalog of over 350,000 parts, they offer everything from carbon fiber accessories to turbo kits—backed by knowledgeable support and a passion for the car scene.

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