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SpeedTech X-Cellerator 200 Cell Catalytic Converters With V-Flange Porsche 997 TT 07-09



Model #997TT-XCAT

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This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

Speed Technologies over the years have become the leader in providing the daily 700HP plus driven Porsche 996TT with the proper exhaust and accessories. With 20 years of experiences, the result is a line of superior performing exhausts for a variety of Porsche automobiles.

SpeedTech has just released a their new sytem of exhaust design with x-cellerator Cross-Flow Exhaust System. The cross flow designed to offer the discerning Porsche enthusiast the ultimate exhaust system with a number of performance and sound options in one complete package. The Cross-Flow designed by combining the exhaust pulses from both sides of the Porsche boxer motor with an "x" of "cross-flow" at the center of the muffler. Also they developed a unique, exotic sound that has to be heard to be appreciated.

It also incorporates their free flowing, straight through design, along with proprietary hi-flow 100 cell "race" catalytic converters will improve the sound and performance. The 100 cell catalytic converters offers a quicker turbo spool possible, along with increased torque and horsepower.

The design is constructed of high quality T304 stainless steel and the muffler is packed with stainless steel wool for years of trouble free performance, even under extreme use conditions.


  • 100 cell "quick spool" race catalytic converters w/V-flange
  • 3.0" tubing throughout, including outlet
  • Polished T304 stainless steel construction
  • No Mufflers
  • Modular V-flange system for quick and easy changes
  • Stainless steel wool packing will never break down
  • No tips
  • Fully TIG welded
  • Made in USA


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Vehicle Engine Notes
Porsche 997 TT/GT2

Warranty: All SpeedTech products are protected by a lifetime warranty against manufacturing defects or structural failure for the original owner. This excludes catalytic converters which carry a 3 year warranty for the original owner. Our Catalytic converter warranty is for catalytic converter efficiency performance only and does not cover failure or abuse from track, off road or racing events. Any products sold that are manufactured by other companies (such as spark plugs, coils, etc.) offer the warranty from the original manufacturer.

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