Available for auction is a Kline Innovation Inconel 625 Custom 3” Exhaust System with handmade mufflers and quad tips, designed specifically for the Porsche 911 Turbo S (991.2). Crafted from Inconel 625, a superalloy celebrated for its ultra-lightweight construction, superior strength, and extreme heat resistance, this system represents the pinnacle of performance engineering. ![]()
The result is an exhaust that enhances throttle response and turbo spool with optimized flow and reduced backpressure, delivering both measurable performance gains and a refined, exotic sound, aggressive under load yet composed during cruising. Precision-built for perfect OEM-level fitment, this system ensures seamless installation and exceptional craftsmanship throughout, please confirm fitment prior to bidding. ![]()
Lightly used and meticulously maintained, it remains in excellent condition as stated by the seller. Offering substantial weight savings over factory and titanium alternatives, this Kline exhaust embodies the ideal balance of motorsport pedigree and daily drivability. ![]()
This is a rare opportunity to acquire one of the most sought-after exhaust systems in the Porsche aftermarket world. The buyer is responsible for tariffs, duties, customs, shipping, shipping insurance, handling, transactional fees or any miscellaneous fees. PCARMARKET is not responsible for anything lost or damaged during shipping.

Comments (21)
Thank you I’m super stoked!
I’m in Miami, I’ll drive up in person
Thanks to everyone and Congrats to Flpostman! You will enjoy it! The system is awesome!
Sold for $3,500
Bid in the amount of $3,500
Bid in the amount of $3,100
Bid in the amount of $3,000
Bid in the amount of $2,025
Bid in the amount of $2,000
Bid in the amount of $1,700
Bid in the amount of $1,600
It is nice to see some bidding activity.
I believe this is the highest quality and the best sounding system available for the Turbo S.
A great opportunity to score this lightly used system for a fraction of the cost.
Additionally, the original shipping box and certificate of authenticity are included with the purchase.
Good luck with the auction.
Bid in the amount of $1,500
Bid in the amount of $1,100
Bid in the amount of $1,000
Bid in the amount of $500
@Heeltoeguy I hope all is well, A reputable Porsche Turbo shop has confirmed that this will fit both the 991.1 and 991.2 exhaust systems. I don't think you'll encounter any issues with fitment, since the Exclusive tips and outline look almost identical. Thanks
Do you know if this will fit the 2019 Exclusive series Turbo S?
A reputable Porsche Turbo automotive shop has confirmed that this will fit both the 991.1 and 991.2 exhaust systems, since their headers are identical.
The only variation is in the tips; however, if factory tips are used, there is no difference.
I hope this information is helpful.
will this fit on a 2015 turbo S?
Additional content has been added to the gallery for this listing.
Additional content has been added to the gallery for this listing.