Catted Exhaust Manifold for Porsche Boxster Cayman 718 Spyder GTS GT4

$2,499.95 USD

Before You Order

Confirm fitment, lead time, and install details before checkout.

Fitment Support In Stock / Made To Order Returns Check
Fitment Check Confirm year, make, model, trim, bumper style, wiring, and selected options before checkout.
Build Details Photos, vehicle search, and recommendations are helpful guides; final fitment can vary by build.
Lead Time In-stock items move fastest. Made-to-order specialty parts may need extra preparation before tracking updates.
Inspect First Inspect every part before painting, drilling, cutting, modifying, or installing it.

COMPLETE YOUR SETUP

Upgrade the performance, sound, and driving character of your Porsche 718 with the STRATEC™ Catted Downpipe Exhaust System, engineered specifically for the 718 Cayman, Boxster, GT4, GTS, and Spyder platforms. Designed for enthusiasts who want increased power without sacrificing drivability, this system delivers improved exhaust flow, sharper throttle response, and a deeper, more aggressive tone while retaining catalytic efficiency.

Constructed from premium T304 stainless steel, the STRATEC™ catted downpipe features a high-flow performance catalytic converter that significantly reduces backpressure compared to the factory unit. The result is faster exhaust scavenging, improved mid-range and top-end performance, and a more engaging exhaust note that enhances the naturally aspirated or turbocharged Porsche flat-six experience.

Precision-engineered for OEM-style bolt-on fitment, this downpipe installs directly to factory mounting points with no cutting or permanent modification required—making it ideal for both street and track-focused builds.

🔧 Key Features

  • STRATEC™ High-Flow Sport Catalytic Converter
    Improves exhaust flow while maintaining emissions-friendly operation

  • T304 Stainless Steel Construction
    Heat-resistant, corrosion-resistant, and built for long-term durability

  • Enhanced Performance & Throttle Response
    Reduced backpressure for noticeable gains across the RPM range

  • Aggressive, Refined Exhaust Tone
    Deeper and louder than stock without excessive rasp

  • OEM-Style Precision Fitment
    Direct bolt-on installation using factory locations

  • Street & Track Ready
    Ideal balance of performance, sound, and reliability

Vehicle Fitment

  • Porsche 718 Cayman

  • Porsche 718 Boxster

  • Porsche 718 GT4

  • Porsche 718 GTS

  • Porsche 718 Spyder

Professional installation recommended.

Description

Upgrade the performance, sound, and driving character of your Porsche 718 with the STRATEC™ Catted Downpipe Exhaust System, engineered specifically for the 718 Cayman, Boxster, GT4, GTS, and Spyder platforms. Designed for enthusiasts who want increased power without sacrificing drivability, this system delivers improved exhaust flow, sharper throttle response, and a deeper, more aggressive tone while retaining catalytic efficiency.

Constructed from premium T304 stainless steel, the STRATEC™ catted downpipe features a high-flow performance catalytic converter that significantly reduces backpressure compared to the factory unit. The result is faster exhaust scavenging, improved mid-range and top-end performance, and a more engaging exhaust note that enhances the naturally aspirated or turbocharged Porsche flat-six experience.

Precision-engineered for OEM-style bolt-on fitment, this downpipe installs directly to factory mounting points with no cutting or permanent modification required—making it ideal for both street and track-focused builds.

🔧 Key Features

  • STRATEC™ High-Flow Sport Catalytic Converter
    Improves exhaust flow while maintaining emissions-friendly operation

  • T304 Stainless Steel Construction
    Heat-resistant, corrosion-resistant, and built for long-term durability

  • Enhanced Performance & Throttle Response
    Reduced backpressure for noticeable gains across the RPM range

  • Aggressive, Refined Exhaust Tone
    Deeper and louder than stock without excessive rasp

  • OEM-Style Precision Fitment
    Direct bolt-on installation using factory locations

  • Street & Track Ready
    Ideal balance of performance, sound, and reliability

Vehicle Fitment

  • Porsche 718 Cayman

  • Porsche 718 Boxster

  • Porsche 718 GT4

  • Porsche 718 GTS

  • Porsche 718 Spyder

Professional installation recommended.

Fitment & Install Notes

Fitment first: Confirm your vehicle year, make, model, trim, bumper style, wiring, and product options before checkout. Product photos, vehicle search, and recommendations are helpful guides, but final fitment can depend on trim, modifications, and install setup.

  • Installation: Professional installation is recommended for lighting, exhaust, carbon fiber, steering wheel, brake, and body components.
  • Lead time: In-stock items move fastest. Made-to-order specialty parts may need extra preparation before tracking updates.
  • Before install: Inspect all parts before painting, drilling, cutting, modifying, or installing. Contact us first if anything looks incorrect.
  • Need help? Email support@vektomotorsports.com before purchase if you want fitment support for your build.