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Porsche 992 GT3 / GT3 RS Valved Performance Exhaust System - Yonristic Performance

$2,879.20 $3,599.00 Save $719.80
  • Fitment verified for YOUR exact year/model/trim
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Yonristic Performance  |  SKU: YR-4728-POR-CAT

Wrong fit or arrives damaged? Free replacement or refund

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Details

Porsche 992 GT3 Exhaust Upgrade for Sound and Performance

The Ultimate Symphony for Stuttgart’s Masterpiece

Our Porsche 992 GT3 / GT3 RS Valved Performance Exhaust System is built to unlock the true sound, response, and emotion of Porsche’s naturally aspirated flat-six. Designed around a 3-inch X-pipe architecture, 4-inch motorsport-style tips, precision TIG-welded construction, and both factory valve control and remote valve control capability, this system gives owners complete flexibility between OEM-style integration and full manual sound control. Fully bolt-on, reversible, CNC-machined, and available in AISI 304 stainless steel or Ti-6AL-4V titanium, this is the ultimate exhaust upgrade for GT3 and GT3 RS owners who want sharper response, reduced weight, and a true F1-inspired sound profile.

The Yonristic Performance Valved Exhaust System for the Porsche 992 GT3 / GT3 RS is engineered for drivers who want more than just volume. This system is designed to refine the entire sound character of the GT3 platform, bringing out the high-pitched, motorsport-inspired tone that the 4.0L naturally aspirated flat-six is capable of producing. Every section is designed as a fully bolt-on and reversible upgrade, requiring no cutting, welding, or permanent modification, so the integrity of your GT3 remains protected while the driving experience becomes dramatically more engaging.

At the center of the system is a 3-inch X-pipe architecture, selected for its ability to balance exhaust pulses, improve flow behavior, and create a more harmonized high-frequency sound. The X-pipe design helps the exhaust note build smoothly through the rev range, delivering a refined tone at low RPM and a sharp, exotic wail at wide-open throttle. Instead of producing a rough or uncontrolled sound, the system shapes the GT3’s voice into something cleaner, more precise, and more emotional.

The system is available in both AISI 304 stainless steel and Ti-6AL-4V titanium. Stainless steel provides long-term durability, corrosion resistance, and a strong, stable tone, while titanium offers major weight savings and a sharper, more resonant acoustic character. Both material options are hand TIG-welded for strength, consistency, and a premium visual finish.

A key update to this package is the dual valve-control flexibility. The system includes both factory valve control compatibility and remote valve control capability, giving owners the freedom to choose the setup that best fits their build. If you prefer OEM-style operation, the exhaust can be installed using factory valve control so the vehicle manages valve behavior through its original system. If you prefer full manual control, the included remote valve control allows you to open or close the valves on demand for maximum sound flexibility.

For customers choosing the remote valve control setup, we also include a valve simulator / valve eliminator in the package. This is designed to prevent valve-related warning lights or limp mode when the factory valve control is not being used. The goal is to give you the freedom of remote valve operation while keeping the vehicle’s electronic system satisfied when properly installed.

Developed from precise OEM scan data, every flange, bracket, and mounting point is engineered for factory-level fitment. CNC-machined connection points ensure accurate alignment, while reinforced mounting areas provide durability for both street and track use. From the 4-inch motorsport-style tips to the carefully finished welds, every detail is built to match the standard expected from a Porsche GT product.

This is not just an exhaust system. It is a complete sound, flow, and control upgrade for the 992 GT3 and GT3 RS.


Key Specs

Fitment: Porsche 992 GT3 / GT3 RS
Configuration: 3-inch X-pipe layout optimized for high-pitch exotic tone
Tip Size: 4-inch motorsport-style tips
Tip Finishes: Chrome / Black / Carbon Fiber
Valve Control: Factory valve control compatible + remote valve control included
Valve Simulator: Included when using remote valve control to help prevent valve-related CEL / limp mode
Materials: AISI 304 Stainless Steel or Ti-6AL-4V Titanium
Manufacturing: CNC-machined flanges and brackets from OEM scan data
Welding: Hand TIG-welded for strength, precision, and premium finish
Sound Profile: Refined at low RPM, F1-inspired wail at high RPM
Installation: 100% bolt-on, reversible, no cutting, no welding


Vehicle Fitment

  • 2020+ Porsche 992 GT3
  • 2022+ Porsche 992 GT3 RS

Headers & Configuration Options

This system is available in multiple configurations depending on your sound and performance goals. Customers may choose the catback system only, or pair the catback with long-tube or MaxFlow collector header options for a more complete performance package.

Available Configurations:
Catback System
Catback + Free Flow Race Headers — MaxFlow Collector
Catback + 200-Cell Street Headers — MaxFlow Collector

The catback system is the ideal choice for owners looking to improve sound, reduce weight, and maintain a clean bolt-on setup. The header packages take the system further by increasing flow, sharpening throttle response, and intensifying the high-RPM sound character of the GT3 platform.


Product Details

+19–22 HP

Horsepower gain at approximately 8000 RPM

+14–16 lb-ft

Torque gain at approximately 5000 RPM

Premium Materials

AISI 304 Stainless Steel / Ti-6AL-4V Titanium

Pure Exotic

Formula-inspired high-pitch sound profile


The Architecture of Sound

At the heart of the system is the 3-inch X-pipe design, a layout chosen specifically for the GT3 platform because of its ability to balance flow, smooth exhaust pulse interaction, and produce a cleaner high-frequency tone. The X-pipe allows both banks of the flat-six to interact in a controlled way, helping the sound climb naturally as RPM rises.

With the valves closed, the system maintains a refined and controlled tone for street driving, cold starts, and lower-speed use. With the valves open, the system unlocks the full character of the GT3’s naturally aspirated engine, producing a sharp, metallic, F1-inspired scream that becomes more intense as the engine approaches redline.


Dual Valve Control System

This exhaust system is designed to give owners full flexibility during installation. It supports both factory valve control and remote valve control, allowing you to choose the valve setup that best matches your driving style.

Factory valve control allows the exhaust to integrate with the vehicle’s original valve behavior, maintaining an OEM-style experience through Porsche’s factory logic. Remote valve control gives you manual command over the exhaust valves, allowing you to open or close them on demand without relying on factory programming.

If you choose to use the remote valve control setup, the package includes a valve simulator / valve eliminator to help prevent valve-related check engine lights or limp mode when the factory valve actuators are not being used. This makes the system more complete and gives customers confidence when choosing the remote-control option.


Uncompromising Craftsmanship

Every Yonristic Porsche 992 GT3 / GT3 RS exhaust is built with a focus on precision, durability, and visual detail. The system is available in Ti-6AL-4V titanium for maximum weight reduction and sharper resonance, or AISI 304 stainless steel for durability and long-term corrosion resistance. Titanium gives the exhaust a more responsive, motorsport-style sound character, while stainless steel provides a strong and refined tone with excellent daily-use durability.

Each joint is hand TIG-welded by skilled fabricators, with weld quality designed to deliver both structural reliability and a premium appearance. Internal flow paths are engineered to reduce turbulence, connection points are CNC-machined for alignment, and every mounting location is reinforced for track-level confidence.

The result is a system that looks as serious as it sounds.


High-Quality Construction and Design

Designed for precision and built for performance, every Yonristic Performance exhaust system is engineered to meet the expectations of serious drivers. From material selection to final fitment, each system is created to deliver a clean installation, reliable long-term use, and a dramatic improvement in driving emotion.

This Porsche 992 GT3 / GT3 RS Valved Performance Exhaust System combines exotic sound, premium construction, valve-control flexibility, and direct bolt-on fitment into one complete package. It is built for the GT3 owner who wants the car to sound sharper, feel lighter, and deliver a more emotional connection every time the engine climbs toward redline.

 

Fitment

Our Guarantee

Warranty Assurance:

At K2 Industries, your satisfaction is our priority, and we stand behind the quality of our products. Here's a brief overview of our warranty:

Defect Coverage:
If you find a defect after receiving your order, get in touch with us. We're committed to resolving the issue, whether it involves a replacement, repair, or refund.

Installation Note:
Please inspect your purchase before installation. Unfortunately, damages post-installation are not covered, so ensure everything looks good beforehand.

Claims Made Simple:
Need to make a claim? Reach out to us at support@k2-industries.com. We're here to assist you. Just keep your original packaging and documentation handy.

Your Satisfaction Matters:
Your trust in K2 Industries is appreciated. We're dedicated to ensuring your satisfaction with our quality automotive parts.

Shipping & Returns

Shipping Information:

At K2 Industries, we strive to provide a seamless and efficient shopping experience for automotive enthusiasts like you. Our commitment is to deliver high-quality parts to your doorstep with the utmost care.

Fast and Reliable Shipping:
Many of our products are stocked in our local warehouse, ensuring swift processing and delivery. Orders placed for these items typically ship within 2-5 business days, allowing you to get your parts in no time.

Extended Selection, Global Reach:
To offer you a broader range of automotive parts, some items are sourced from trusted suppliers around the world. While these products might have a slightly longer processing time, we assure you that the wait is worth it for the exceptional quality and value they bring.

Shipping Transparency:
For products shipped internationally, we provide estimated delivery times on the product page. Rest assured, we are continually working to optimize our supply chain and minimize any potential delays.

Combined Shipments:
To streamline your shopping experience, if your order includes items from both our local warehouse and international suppliers, they may be shipped separately. You will receive separate tracking information for each shipment.

Questions or Concerns?
If you have any questions about shipping or would like assistance tracking your order, our dedicated customer support team is here to help. Feel free to reach out to us at support@k2-industries.com.

You can also track your order here

Thank you for choosing K2 Industries for your automotive needs. We appreciate your trust in us.

FAQs

Will this require a tune after installation?

Bolt-ons like exhaust tips, cat-backs, and basic intakes usually don't. Larger mods — turbo upgrades, supercharger kits, headers — typically need an ECU tune to run safely. The spec sheet indicates if tuning is recommended.

Is this part emissions / CARB compliant?

If you're in California or another CARB-regulated state, check the CARB status on this page before ordering. Many performance parts are off-road or competition use only — if so, we say it clearly.

Will installing this void my factory warranty?

Modifications can affect manufacturer warranty on related components only — not your entire warranty. The Magnuson-Moss Warranty Act protects you from blanket warranty voids. If warranty matters to you, talk to your dealer before installing.

Can I install this myself?

Depends on the part. Bolt-ons are DIY-friendly. Turbo upgrades, headers, and supercharger kits need a professional shop. The product description gives a difficulty estimate.

The K2 Difference

  • • Built by enthusiasts who've made every fitment mistake you're afraid of. Now we verify parts for 30,000+ builds a year with zero wrong-part claims.
  • • Real specialists answer your questions in minutes, not chatbots reading scripts. We've built the same cars you're building.
  • • Freight damage, wrong parts, installation question, we handle it so you don't deal with suppliers or shipping companies.
Founder photo

Built By Someone Who's Been There

Max, the Owner, started in his garage making E36 M3 tail lights in his own oven.

  • • Started modifying cars before he could legally drive them
  • • Spent years hunting down parts that actually fit and don't suck
  • • Made the same fitment mistakes you're afraid of
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What You Get With Every Order

Products Selected to Meet Quality & Fitment Standards we Stand Behind.
Products Selected to Meet Quality & Fitment Standards we Stand Behind.
Get Help From People Who Actually Understand Builds & Fitment.
Get Help From People Who Actually Understand Builds & Fitment.
Designed to Resist UV Exposure, Wear, and Everyday Use.
Designed to Resist UV Exposure, Wear, and Everyday Use.
Join Thousands of Builders Who
Trust K2
Join Thousands of Builders Who Trust K2

What Sets K2 Industries Apart?

We don’t just sell parts. We actually give a damn.
Pre-Order Fitment Verification
Damage Replacement
Real Experts Answer the Phone
Post-Purchase Installation Support
Curated Quality
30-Day Returns
K2 Industries
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K2 Industries
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Pre-Order Fitment Verification
Damage Replacement
Real Experts Answer the Phone
Post-Purchase Installation Support
Curated Quality
30-Day Returns
Add to Cart
GuaranteePerfect fit guaranteed

Frequently Asked Questions

How do I know this will actually fit my car?

Every part listing shows compatible years, models, and trims. But here's the thing—trim packages and factory options can be confusing. If you're not 100% certain, text us at 772-277-2495 with your VIN or photos of your car. We'll verify fitment before you order so you're not stuck with an $800 part that doesn't fit. We've done this for 30,000+ builds. We've seen every weird trim combo and factory option. Takes us 2 minutes to verify, saves you weeks of headaches.

What if the part arrives damaged or is the wrong item?

We handle it. You don't fight with freight companies or file claims. Text us photos within 48 hours of delivery. If it's damaged or wrong, we ship a replacement immediately. You're not waiting 6 weeks for a freight claim to process. We eat the cost, not you. This is why we package everything like it's going to war. But if something slips through, we fix it ASAP. No forms, no back-and-forth, no "file a claim and wait." Just text us and we handle it.

Can I install this myself or do I need a shop?

Depends on the part. Emblems, front lips, some spoilers, bolt-on, DIY-friendly, you can do it in your driveway with basic tools. Full bumpers, hoods, wide-body kits, possible for experienced DIYers but most people take them to a shop for paint and install. Check the product description for installation difficulty. If you're unsure, text us. We'll be honest about whether you can handle it or if you should take it to a pro. We'd rather you know upfront than get frustrated halfway through.

What's your return policy if it doesn't fit or I don't like it?

30 days, unused parts in original packaging. You pay return shipping unless we sent the wrong part or it arrived defective. Once you install it, modify it, paint it, or mount it, we can't take it back. That's why we push so hard on verifying fitment BEFORE you order. We don't want you stuck with something you can't use. Text us before ordering if you're unsure. We'll confirm fitment so you never have to worry about returns.

Do you offer financing?

Yes. Affirm and Shop Pay available at checkout for orders over $50. Split payments over 3-12 months depending on order size. No hard credit check to see your options. Most people use this for big-ticket items like body kits, suspension setups, or wheel/tire packages. Rates vary based on credit. You see the monthly payment before you commit. Makes it easier to build now instead of waiting months to save up.

What if I have questions after I receive the part?

Text 772-277-2495. We don't disappear after you buy. Fitment questions, installation issues, "does this bolt go here" questions... we'll walk you through it. We've installed these parts ourselves or helped hundreds of people install them. You're not getting transferred to a call center in the Philippines. You're texting someone who's actually installed your part before. If we can't help remotely, we'll recommend a local shop that knows these parts.

Why should I buy from K2 instead of eBay/Amazon/other sites?

eBay and Amazon sellers don't answer fitment questions. They don't verify your VIN before shipping. They don't handle freight damage claims for you. If something goes wrong, you're filing disputes and waiting weeks. We're builders selling to builders. We verify fitment before you order. We handle damage claims same-day. We answer texts in minutes. We're not the cheapest, but you're not gambling $800 on whether a part fits. You're paying for support, verification, and someone who cares if your build goes sideways.

What does your warranty cover?

1 year against manufacturing defects: cracking, warping, paint peeling, hardware failure, fitment issues caused by the part being made wrong. Does NOT cover installation damage (you cracked it bolting it on), road damage (curb rash, rock chips), or normal wear. If it breaks because we made it wrong, we replace it free. If it breaks because you hit a parking block, that's on you. We're fair about it. Send photos and we'll tell you honestly if it's covered.

Shipping

Do you ship overseas?

Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.

How much does shipping cost and when will I see the total?

Depending on where you're located, small parts can ship free. Large parts like bumpers, hoods, and body kits require freight shipping. Uou'll see the exact cost at checkout before you pay. Freight usually runs $150-$300 depending on size and your location. We know it's expensive. We negotiate the best rates we can. If you're ordering multiple large parts, text us. We can sometimes combine shipping and save you money. We're not hiding fees in the final step. What you see at checkout is what you pay.

How long will it take to receive my order?

It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.

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