Soul Performance Exhaust System for 2017+ Porsche 718 Boxster and Cayman

Description

The Soul Performance 718 Boxster / Cayman Performance Exhaust is a high-flow catback exhaust system engineered to bring aggressive bark, rumble, and turbo presence to the otherwise quiet factory 718 Cayman and Boxster (2017+). Built from mandrel-bent T304L stainless steel with thick cast flanges and durable flex sections, this exhaust removes restrictive OEM mufflers and resonators to improve exhaust flow and character without modifying core hardware. Designed with over-axle 2.5″ piping and bespoke mounting brackets for both manual and PDK transmissions, it boosts both sound and throttle feedback while reducing weight over stock for a more engaging driving experience on street or track. 

Fitment Notes

• Fits Porsche 718 Boxster and 718 Cayman models 2017 and newer (base, S, GTS variants)

• Direct bolt-on replacement for the factory rear cat-back exhaust — no cutting or welding required

• Works with stock downpipe or aftermarket downpipe/cat upgrades

• Requires basic hand tools and common garage skills for installation — instructions included

• Designed to pair well with ECU tuning and other performance mods (downpipes, intakes, headers)

Included

• Mandrel-bent T304L stainless steel exhaust assembly

• Over-axle 2.5″ tubing with durable flex sections

• Thick laser-cut mounting brackets for reduced NVH

• All bolts, gaskets, and hardware required for direct install

• Exhaust installation instructions

Product Specs

• Material: Mandrel-bent T304L stainless steel for corrosion resistance and heat durability

• Piping diameter: 2.5″ OD over axles for improved flow (larger than many stock sections)

• Design: Muffler-less performance catback — maximizes flow and sound 

• Weight: ~11–13 lbs lighter than factory base/PSE exhaust, enhancing responsiveness

• Fitment: Direct bolt-on with bespoke mounting brackets tailored for 718 chassis 

• Warranty: Lifetime Warranty from Soul Performance Products covering street and track use

Product Features

• Aggressive, drone-forward note: Muffler-free design frees up sound and delivers a snarling exhaust tone from the boxer engine, especially under acceleration. 

• Improved throttle feel: Enhanced exhaust flow reduces backpressure vs stock, giving sharper throttle response.

• Premium construction: Thick flanges, flexible over-axle sections, and robust mandrel bending increase durability for both street and track use.

• Weight savings: Significantly lighter than the OEM cat-back system, contributing to better handling and reduced rear weight. 

• DIY-friendly install: Direct bolt-on fitment with detailed instructions makes installation accessible for experienced enthusiasts.

• Lifetime warranty: Confidence-inspiring coverage from Soul Performance covering materials and workmanship.

Explore more from our collection.