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PORSCHE CATALYTIC CONVERTERS AND RELATED FOR ALL YEARS AND MODELS

Automotion has top quality catalytic converters and catalytic converter parts. Automotion is your one-stop shop for all of your Porsche catalytic converter needs, including parts, kits, instructions and manuals. Don't delay if you have a problem with your Porsche catalytic converter. Come to Automotion and we'll take care of you with the best parts in the business.

 
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Catalytic Converter, California, For 911® Porsche®, 1978-1989 Part # P902049C
Best Quality Replacement Catalytic Converter For Porsche 911® For California Models Only Complies With California AIR Standards Replaces Original Part Exactly Learn More

Was: $499.99 ea.

Now: $449.99 ea.
Dansk 100-Cell Catalytic Converter, For 911® Porsche®, 1978-1989 Part # P916129
Race Proven Performance Sport Catalytic Converter Authoritative Sound Polished Stainless Steel 4301/304 Stainless Steel Construction Offers Maximum Corrosion Resistance Most stock catalytic converters have upwards of 400 cells per square inch in the metal substrate honeycomb matrix used to remove pollutants. This tight cell density can restrict exhaust efficiency. Dansk hi-flow racing converters use only 100 cells per square inch, decreasing back pressure and increasing horsepower. gaskets and hardware sold separate. Learn More

Was: $949.99 ea.

Now: $399.99 ea.
Catalytic Converter Exhaust Replacement Pipe B&B, For 911® C4 Porsche®, 1989-1994 Part # P900171
This Unit Is Designed For Off-Highway Racing Only & Should Not Be Used On Public Roads This cat delete pipe, which is also often times referred to as a test pipe, is designed and manufactured by Billy Boat Performance Exhaust as a means of removing the Catalytic Converters from your Porsche 911 C4 exhaust application. By doing this, the exhaust is allowed to breathe and flow more naturally and freely, resulting in a much more aggressive performance and exhaust noise. This test-pipe is not road legal and is meant solely for track and off-road racing use.   Learn More
$319.99 ea.
Catalytic Converter, 49-State, For 930 Porsche®, 1986-1989 Part # P915896
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. 49-State Legal. Not Legal For Sale In California   Learn More

Was: $529.99 ea.

Now: $499.99 ea.
Catalytic Converter, 49-State, For 944S/S2 Porsche®, 1987-1991 Part # P915897
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. 49-State Legal. Not Legal For Sale In California   Learn More

Was: $574.99 ea.

Now: $529.99 ea.
Dansk 100-Cell Catalytic Converter, For 911® C2/4 Porsche®, 1989-1994 Part # P914929
Race Proven Performance Authoritative Sound Polished Stainless Steel 4301/304 Most stock catalytic converters have upwards of 400 cells per square inch in the metal substrate honeycomb matrix used to remove pollutants. This tight cell density can restrict exhaust efficiency. Dansk hi-flow racing converters use only 100 cells per square inch, decreasing back pressure and increasing horsepower. gaskets and hardware sold separate. Learn More

Was: $994.99 ea.

Now: $899.99 ea.
Catalytic Converter, 49-State, For 911® Porsche®, 1978-1983 Part # P902049
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. 49-State Vehicles Only. Not legal in California. Learn More

Was: $411.99 ea.

Now: $389.99 ea.
Cat By-Pass Pipe, B&B, For 944 Turbo Porsche®, 1985-1989 Part # P908107
For Off Road Or Race Use Only All Billy Boat Performance exhaust systems are designed and tested by professional Indy car driver and company owner, Billy Boat. Each B&B muffler is crafted in-house with years of racing and street development invested into its design. Each system is tuned to match its application for the best possible performance gain and sound quality combination. With an in-house dyno facility and R&D staff, B&B is on top of current vehicle trends and delivers products that fit and perform to an unsurpassed level of standards.   Please note: B&B Mufflers and Headers are sold separately. Learn More
$769.99 ea.
Thermal Reactor Replacement, Dual Inlet Muffler, For 911® Porsche®, 1975-1977 Part # P908349
Boost Performance By 10% Improve Your Racing Edge Bolt Into Place Without Modifications Reduce back pressure and lower exhaust temperature also results in less chance of heat damaged oil seals and premature failure of valves and engine bearings, thus increasing reliability. Come complete with all necessary gaskets. Learn More
$329.99 Kit
Catalytic By-Pass Pipe, For 928S (4 Valve) Porsche®, 1984-1986 Part # P908216
This By-Pass Pipe Is Designed For Off Road Or Track Use Only/Check Your Local Laws Before Ordering For Use On The Street Boost Performance By 10% Improve Your Racing Edge Bolt Into Place Without Modifications Photo For Reference Only Reduce back pressure and lower exhaust temperature also results in less chance of heat damaged oil seals and premature failure of valves and engine bearings, thus increasing reliability. Come complete with all necessary gaskets. Learn More
$279.99 ea.
Dansk 100-Cell Catalytic Converter, For 996/GT3 Porsche®,1999-2004 Part # P914932
Race Proven Performance Authoritative Sound Polished Stainless Steel 4301/304 Most stock catalytic converters have upwards of 400 cells per square inch in the metal substrate honeycomb matrix used to remove pollutants. This tight cell density can restrict exhaust efficiency. Dansk hi-flow racing converters use only 100 cells per square inch, decreasing back pressure and increasing horsepower. gaskets and hardware sold separate. Learn More
$1,599.99 ea.
Catalytic By-Pass Pipe, For 928 Porsche®, 1978-1985 Part # P908222
Boost Performance By 10% Improve Your Racing Edge Bolt Into Place Without Modifications For Off Road Or Race Use Only Reduce back pressure and lower exhaust temperature also results in less chance of heat damaged oil seals and premature failure of valves and engine bearings, thus increasing reliability. Come complete with all necessary gaskets. Learn More
$199.99 ea.
Catalytic Converter, California Only, For 944S/S2 Porsche®, 1987-1991 Part # P915897C
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. Learn More

Was: $677.99 ea.

Now: $599.99 ea.
Dansk 100-Cell Catalytic Converter, For 993 Porsche®, 1995-1998 Part # P914930
Race Proven Performance Authoritative Sound Polished Stainless Steel 4301/304 Most stock catalytic converters have upwards of 400 cells per square inch in the metal substrate honeycomb matrix used to remove pollutants. This tight cell density can restrict exhaust efficiency. Dansk hi-flow racing converters use only 100 cells per square inch, decreasing back pressure and increasing horsepower. gaskets and hardware sold separate. Learn More

Was: $2,199.99 ea.

Now: $1,999.99 ea.
Cat By-Pass Pipe, B&B, For 944 Non-Turbo Porsche®, 1983-1989 Part # P912031
All Billy Boat Performance Exhaust systems are designed and tested by professional Indy car driver and company owner, Billy Boat. Each B&B muffler is crafted in-house with years of racing and street development invested into its design. Each system is tuned to match its application for the best possible performance gain and sound quality combination. With an in-house dyno facility and R&D staff, B&B is on top of current vehicle trends and delivers products that fit and perform to an unsurpassed level of standards. Please note: B&B Mufflers and Headers are sold separately. Learn More

Was: $576.95 ea.

Now: $499.99 ea.
Catalytic By-Pass Pipe, For 911® Porsche®, 1975-1979 Part # P908220
This By-Pass Pipe Is Designed For Off Road Or Track Use Only/Check Your Local Laws Before Ordering For Use On The Street Boost Performance By 10% Improve Your Racing Edge Bolt Into Place Without Modifications Reduce back pressure and lower exhaust temperature also results in less chance of heat damaged oil seals and premature failure of valves and engine bearings, thus increasing reliability. Come complete with all necessary gaskets. Learn More

Was: $179.99 ea.

Now: $169.99 ea.
Porsche® 964 C2 Turbo Catalytic Converter, California Only, 1991-1994 Part # P915895C
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. Learn More

Was: $699.99 ea.

Now: $599.99 ea.
Porsche® 911 Catalytic Converter, 1990-1994 Part # P914303
This Unit Is Designed For Off-Highway Racing Only & Should Not Be Used On Public Roads 3.6 Liter This cat delete pipe, which is also often times referred to as a test pipe, is designed and manufactured by Billy Boat Performance Exhaust as a means of removing the Catalytic Converters from your Porsche 964 exhaust application. By doing this, the exhaust is allowed to breathe and flow more naturally and freely, resulting in a much more aggressive performance and exhaust noise. This test-pipe is not road legal and is meant solely for track and off-road racing use. Learn More
$329.99 ea.
Catalytic Converter, California Only, For 928 Porsche®, 1985-1995 Part # P904976C
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. Learn More
$699.99 ea.
Catalytic Converter, 49-State, For 930 Porsche®, 1991-1994 Part # P915895
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. 49-State Legal. Not Legal For Sale In California   Learn More

Was: $599.99 ea.

Now: $499.99 ea.
Catalytic Converter, 49-State, For 928 Porsche®, 1985-1995 Part # P904976
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. 49-State Legal. Not Legal For Sale In California   Learn More
$499.99 ea.
Catalytic Converter, California Only, For 928 Porsche®, 1980-1984 Part # P904980C
Restore Lost Power Meets EPA Emission Requirements 5-Year, 50,000-Mile Warranty Less Than Half The Price Of OEM Did you know that on older cars you can lose up to 10% of your horsepower per year from catalytic converter blockage! Restore lost power legally with our high-flow catalytic converters. Made in the U.S. with high quality 14-gauge, mandrel bent tubing. Priced to save you money over factory prices. Learn More
$589.99 ea.
Dansk 100-Cell Catalytic Converter, Turbo, For 993 Turbo Porsche®, 1996-1998 Part # P914887
Race Proven Performance Authoritative Sound Polished Stainless Steel 4301/304 Most stock catalytic converters have upwards of 400 cells per square inch in the metal substrate honeycomb matrix used to remove pollutants. This tight cell density can restrict exhaust efficiency. Dansk hi-flow racing converters use only 100 cells per square inch, decreasing back pressure and increasing horsepower. gaskets and hardware sold separate. Learn More

Was: $2,199.99 ea.

Now: $1,999.99 ea.
Catalytic By-Pass Pipe, For 930 Porsche®, 1986-1989 Part # P908217
This By-Pass Pipe Is Designed For Off Road Or Track Use Only/Check Your Local Laws Before Ordering For Use On The Street Boost Performance By 10% Improve Your Racing Edge Bolt Into Place Without Modifications Photo For Reference Only Reduce back pressure and lower exhaust temperature also results in less chance of heat damaged oil seals and premature failure of valves and engine bearings, thus increasing reliability. Come complete with all necessary gaskets. Learn More
$279.99 ea.
Porsche® 911/993 Catalytic Converter, 1995 Part # P911464
This Unit Is Designed For Off-Highway Racing Only & Should Not Be Used On Public Roads This cat delete pipe, which is also often times referred to as a test pipe, is designed and manufactured by Billy Boat Performance Exhaust as a means of removing the Catalytic Converters from your Porsche 993 exhaust application. By doing this, the exhaust is allowed to breathe and flow more naturally and freely, resulting in a much more aggressive performance and exhaust noise. This test-pipe is not road legal and is meant solely for track and off-road racing use.   Learn More
$589.99 ea.
Dansk 100-Cell Catalytic Converter, For Boxster Porsche®,1997-1998 Part # P914933
Race Proven Performance Authoritative Sound Polished Stainless Steel 4301/304 Most stock catalytic converters have upwards of 400 cells per square inch in the metal substrate honeycomb matrix used to remove pollutants. This tight cell density can restrict exhaust efficiency. Dansk hi-flow racing converters use only 100 cells per square inch, decreasing back pressure and increasing horsepower. gaskets and hardware sold separate. Learn More
$1,399.99 pr.
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