Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Upgrade performance while retaining catalytic function on your Porsche Boxster or Cayman 981 with theSTRATEC 300‑Cell High‑Flow Catted Exhaust Manifold Headers, engineered for improved exhaust flow, sharper throttle response, and a refined motorsport sound.
These headers replace the restrictive factory manifolds with300‑cell high‑flow performance catalysts, delivering a strong balance of power gains and street drivability. Expect quicker revving, improved mid‑range torque, and a deeper flat‑six exhaust character—without the harshness of catless race setups.
Precision fabricated from high‑grade stainless steel with mandrel‑bent runners and TIG‑welded construction for durability under high heat.
Performance Benefits
300‑cell high‑flow catalytic converters
Reduced backpressure vs stock
Faster throttle response
Increased mid‑range and top‑end power
Refined aggressive flat‑six tone
Mandrel bent stainless runners
Precision TIG welded construction
Direct bolt‑on installation
Fitment
Porsche Boxster 981 – NA Flat‑Six Porsche Cayman 981 – NA Flat‑Six Compatible with 2.7L / 3.4L Approx. Model Years 2013–2016
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.