The NRP Valved Exhaust System for the Porsche Panamera 4S replaces the factory exhaust from the downpipes back with a full valved catback. The 2.9L twin-turbo V6 in the 971 4S is sharper than the factory exhaust lets on. With the valves open you get the full volume with crackles on overrun; closed, the Panamera goes back to being a quiet grand tourer. Direct bolt-on using the factory mounting points, and 100% reversible.
Features:
- Full valved catback — replaces the factory system from the downpipes back
- Electronic exhaust valves — quiet with the valves closed, full volume open
- Mandrel-bent, TIG-welded construction for maximum flow
- Works with the OEM downpipes or any aftermarket downpipes built for them
- No check engine light — fully post-cat
- Direct bolt-on, no cutting or welding; 100% reversible
- NRP Lifetime Warranty
Fitment:
- 2017+ Porsche Panamera 4S (971, sedan and Sport Turismo)
Professional installation recommended.
