Stone Exhaust Porsche 95B Cat-Back Valvetronic Exhaust System for Porsche Macan S 3.0T, Macan S G2 3.0T and Macan Turbo 3.6T
Upgrade your Porsche Macan 95B with the Stone Exhaust Cat-Back Valvetronic Exhaust System and unlock performance, sound and quality. This premium cat-back exhaust fits Porsche Macan S 3.0T, Macan S (G2) 3.0T and Macan Turbo 3.6T models, enhancing flow, power and the signature Porsche tone with a valved, remote-controlled setup. Designed from 3D scans of the OEM system for precise OEM fitment, this Porsche Macan exhaust delivers a deeper, crisper note with valves closed for comfortable cruising and an aggressive, motorsport-inspired sound with valves open. Dyno-developed in house by Stone Exhaust, this Macan cat-back exhaust is engineered for real-world gains and daily usability.
At Nforcd we have supplied and fitted Stone Exhaust systems on customer cars and the feedback has been superb. Fitment is spot on, the Valvetronic control is seamless and the sound quality is exactly what Macan owners are looking for from a performance exhaust upgrade.
Why choose this Porsche Macan 95B cat-back exhaust
- Porsche Macan 95B cat-back Valvetronic exhaust system for Macan S 3.0T, Macan S G2 3.0T and Macan Turbo 3.6T
- Dual-valve Valvetronic system with remote control for ON, OFF and AUTO modes
- Plug-and-play control module connects to the OBDII port for quick install
- One-piece design with mechanical welding for precise alignment and durability
- 3D scanning and reverse engineering for perfect OEM fitment
- In-house dyno developed with Stone signature exhaust sound
- Helps eliminate the drone commonly found on the standard Macan exhaust
- High-precision 7 axis CNC bending for optimal flow and consistency
- Advanced welding techniques for strength at high-temperature connection points
Valvetronic control for sound on demand
The Stone Valvetronic system puts you in full control. Use the dedicated remote to open or close the valves instantly or switch to AUTO to let the system open and close at a predefined RPM. Enjoy civilised, low-drone cruising with valves closed, then unleash a louder, sportier Porsche Macan exhaust note with valves open. Perfect for daily driving, spirited road use and weekend fun.
Proven performance
Dyno-tested by Stone Exhaust:
- Power gain: +8.48 ps at 4900 rpm
- Torque gain: +13.83 Nm at 3100 rpm
Results may vary by vehicle condition and supporting modifications, but the improved flow and reduced back pressure are immediately noticeable.
OPF delete solution available
Running an OPF-equipped Porsche Macan 95B. Stone offers an OPF delete option free of charge so you can install this Stone cat-back on OPF cars without triggering an error code. No ECU coding required to clear OPF errors.
Engineered for precision and reliability
Stone Exhaust builds each Porsche Macan cat-back with cutting-edge processes:
- Reverse engineered with 3D scans of OEM parts to perfect pipe diameter, routing and bend angles
- 7 axis CNC bending achieves approximately 98 percent roundness with exceptional accuracy
- Crisscross and overlapping welds increase penetration and endurance at high-heat joints
- Direct spot welding by mechanical arms for consistent strength and clean finishes
Compatibility
Porsche Macan 95B models manufactured from 2014, including:
- Macan S 3.0T
- Macan S (G2) 3.0T
- Macan Turbo 3.6T
Part numbers
- QP503ASQ – Macan S 3.0T and Macan Turbo 3.6T
- QP503BSQ – Macan S (G2) 3.0T
Installation and fitting
The Valvetronic control is plug and play via the OBDII port and can be installed within minutes. For professional fitting of your Porsche Macan exhaust upgrade, we recommend booking with Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Search-friendly terms
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R&D and manufacturing gallery
Stone Exhaust uses advanced 3D simulation to analyse gas flow, thermal zones and pressure areas, iterating until optimal performance is achieved.
Product images
Videos
Installation overview
Porsche Macan S 3.0T with Stone Eddy DP plus cat-back Valvetronic sound
Order with confidence from Nforcd
Nforcd is your performance exhaust specialist for Porsche Macan 95B upgrades. For advice, availability and professional fitting in Warwickshire, email Sales@nforcd.com. Transform your Porsche Macan S 3.0T, Macan S G2 3.0T or Macan Turbo 3.6T with a Stone Exhaust cat-back Valvetronic system today.