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Lightweight Titanium • OEM Valve Integration • Race-Inspired Sound
For a car as special as the Porsche GT4 RS, only the best will do. The Valvetronic Titanium Valved Exhaust System is engineered to amplify everything that makes the GT4 RS exceptional—its raw motorsport spirit, lightweight engineering, and aggressive styling—while unlocking the exhaust note it truly deserves.
Constructed entirely from Grade 5 titanium, this system offers a dramatic weight reduction and unparalleled durability. Every component has been precision TIG welded and designed for seamless OEM-level fitment.
We know every GT4 RS owner has their own taste in sound—so this system is offered in three unique configurations:
Rear Section Only – Features a large cross-section X-pipe for refined, exotic sound quality.
Full System – The ultimate choice for those seeking both sound and performance—volume from the over-axle pipes combined with tone and character from the rear section.
With valves closed, the system keeps things refined for daily driving and neighborhood-friendly manners. With valves open, your GT4 RS transforms into a howling motorsport machine, delivering the most intoxicating sound experience possible.
Constructed from Grade 5 Titanium
Vacuum-actuated exhaust valves with controller for factory-like operation
11.8 lbs lighter than the factory exhaust
Precision TIG welds for maximum strength
100% reversible, allowing you to return to stock anytime
⚠️ Note: 2020+ models will require reusing OEM valve control.
Porsche 718 Cayman GT4 RS (2022+)
Questions?
Small items arrive to you in under 1 week
Larger products like full suspension kits must ship freight and can take 1-3 Weeks
Instructions are included for most parts that require any sort of knowledge to install.
Here's what to do if your parts come WITHOUT instructions:
1. Some parts are genuinely common sense on how they get installed
2. If you can't figure it out on your own, YOUTUBE IS YOUR FRIEND! Our founder started this company from learning how to build headlights off a YouTube Video
3. If there are no videos on YouTube, or instructions anywhere on Google then please CALL OR EMAIL US and we will guide you through or get you instructions from the manufacturer
4. Doing installs on your own is always fun, but sometimes, it isn't. Always consider having your parts professionally installed
ALWAYS CONSIDER US. We sold you the parts, let us install them at THE LAB in Connecticut. We offer enclosed and open cross country transportation.
Of course you won't want to spend thousands on transportation to install lug nuts or emblems but if you are spending a LOT of money on parts, you may just want to send the car our way
If the part was NOT installed, we accept returns within 14 days of delivery.
If the part WAS installed (or attempted installation), we cannot accept a return.
All parts come with Manufacturer Warranty! Each manufacturer has different warranties so we suggest reading up on their warranty policy before ordering.
YES! If you come across a competitor with a lower advertised price than us, we will BEAT it by at LEAST 1%. Please contact us with proof of the lower priced product.
NO! We do not give out discounts or do sponsorships. You can get 5% OFF your first order by signing up for text & email notifications. OR just wait until our BLACK FRIDAY Sale that happens once a year.
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Active Hours: 9:00 AM To 5:00 Pm (Mon To Fri)
Phone: (475) 227-5381
Email: sales@legendsautoparts.com
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