Fabspeed Porsche 991 Carrera RENNKRAFT® Modular Headers with HJS Catalytic Converters (2012-2016)

These modular headers are the perfect solution for any Porsche 911. Our United States patented RENNKRAFT® modular design features a quick release V-band connector that allows the owner to easily swap between our German made HJS 200 cell cats and a cat bypass “straight pipes” for track use ONLY. RENNKRAFT®, translated from German is “race power”. These unique headers offer true street and racetrack functionality in an innovative precision engineered package. In addition, if the HJS catalytic converters EVER fail because of poor gasoline, back-fires, super high mileage the Patented Design allows for a simple NEW HJS German catalytic converter section to be installed. HJS German catalytic converters are European homologated and European certified and US EPA compliant!

SOUND:

Equipped with HJS German HD tri-metallic 200 cell cats, you will get a sportier more aggressive exhaust note with a much more exciting sound. Higher frequency tones are more defined, and off throttle burbles are more robust and transparent. With the cat bypass pipes installed, FOR RACE TRACK USAGE ONLY,  you have the ultimate systems for Road Racing Competition use only. The volume isn't overbearing, but the sound is very aggressive and race bred. It totally changes the character of the car.

FEATURES:

• Fits all Porsche 991 Carrera vehicles worldwide 2012-2016. 
• Constructed from CNC mandrel-bent T304L stainless steel made in-house at Fabspeed.
• Impressive power and performance gains +25HP and 20FTLB torque
• Save 2 lbs / 0.9 KGs with Sport Cats and 7 lbs / 3.2 KGs with Cat Bypass compared to the factory headers
• Modular design that uses a V-band clamp so one can quickly swap between HJS cats and cat bypass
• With the RENNKRAFT® system, you can quickly install our QUICKTRACK™ cat bypass pipes for Racing and all out Race track-only competition events
• The RENNKRAFT® system has been awarded a US Patent and is the only system of its kind in the world
• Switching to cat-bypass for track events prevents catalytic converter degradation during all out competition racing abuse. A SMART option for Road Racing ONLY. 
• F1 style high velocity merge collectors for maximum scavenging. 
• Designed from 3D scans of the OEM headers so we can achieve perfect bolt-on fitment versus other brands
• We use German imported HJS HD tri-metallic 200-cell EURO 6 homologated catalytic converters for the best performance and reliability
• We use the largest catalytic converters that will fit in the factory location for maximum flow and EPA Compliance an NO check Engine Lights. 
• Flows 93% of a 2.5 in straight pipe
• Optimized for maximum performance with NO catalyst generated check engine light, guaranteed, when Sport Cats are installed
• No ECU tune required
• Will fit with any brand of aftermarket exhaust system designed to work with the factory Porsche headers
• Fabspeed Motorsport headers with HJS German catalytic converters are the only high-performance replacement headers that are  EPA compliant
• 25+ years of air-cooled and water-cooled Porsche experience went into our design for these hand-crafted headers
• Simple DIY (Do-It-Yourself) bolt-on installation and VIDEO explanation on the website. 
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

Returns Policy

To RETURN any system, product or merchandise you must contact us first for a Return Authorization (RA) Number. Special order and custom made systems, apparel, limited production parts, Carbon Fiber Parts, and other certain merchandise are NOT returnable. ALL SALES ARE FINAL. To return a Grid Racing Parts product an RA number must be requested and if granted the item(S) must be in original Grid Racing Parts sealed packaging. A copy of the original invoice and a brief explanation must accompany all returned items. You must follow our instructions for returning items carefully, or Grid Racing Parts reserves the right to charge a 30% restocking fee on any OPENED box or repackaged products. Customers are responsible for return shipping charges. If an order was shipped with a promotional “Free Shipping”, and the order is returned, we exclusively reserve the right to charge the customer or distributor for the cost of that original shipping and handling. If a Grid Racing Parts Performance package is ordered, and an individual component of that package is returned, Grid Racing Parts reserves the right to charge back the performance package discount along with any additionally offered discounts. Return shipped items DAMAGED in transit will RESULT in additional charges up to and including rejection of the competent. It is the customer’s responsibility to ship safely and properly. No returns accepted after 30 days from the invoice date. No credits will be given after 30 days from the invoice date.

To qualify for return, the product must be unused and remain in the original packaging, as well as match the current design and packaging for the product at the time of return. Sounds is subjective and therefore does not qualify for a return of a used product. See Sound Solution Guarantee to see if your product is covered.

Periodically mistakes are made when ordering, or a wrong part is shipped, and you may wish to return an item. We will do everything reasonable to satisfy you. Please contact Grid Racing Parts immediately via email at service@GridRacingParts.com to discuss the circumstances before returning any products. Anything returned without prior authorization from Grid Racing Parts will be refused. All returns must be sent back fully prepaid. Our customer service department (service@gridracingparts.com) will issue a Return Authorization Number, which must accompany any return. A copy of the original invoice and a brief explanation must accompany all returned items. No returns accepted after 30 days from the invoice date. No credits given after 30 days.

Shipping

Grid Racing Parts Motorsport cannot be held liable for refusal of, delay of, loss of, theft or damage to a shipment of any item. The customer agrees to indemnify Grid Racing Parts for all costs, fees and expenses Grid Racing Parts incurs as a result of any violation of any local, state, federal, national or international laws or regulations. Customer agrees to take responsibility for lost packages that were not independently insured or sent without requiring signature. The customer understands they will be liable in the event of additional fees, tariffs, or legal issues such as border seizure. Customer accepts these risks and agrees to release Grid Racing Parts of all liability.

Grid Racing Parts reserves the right to charge a shipping and handling fee on every order being shipped from our facility. This fee is universal and applies to all retail and wholesale purchases and cannot be waived or credited.

A 6% sales tax will be implemented for every purchase made by a Pennsylvania resident. This fee will be charged for in-house installations and products purchased online, over the phone, and/or via email, this fee is required by law, is non-negotiable and non-refundable.