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  • B5 S4 FI CAT-BACK EXHAUST SYSTEM

    $1,100.00$1,430.00

    Fast Intentions is proud to present our B5 S4 Cat Back Exhaust System. This Cat Back exhaust system is the premier upgrade for all S4 owners looking to maximize the performance from their 2.7L V6 Bi-Turbo engine. Our exhaust system will enhance the sound that Audi created from the factory by making it smoother, deeper,…

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  • B6-S4 FI CAT BACK EXHAUST

    $1,299.00$1,319.00

    Fast Intentions is proud to present our B6 S4 Cat Back Exhaust System. This Cat Back exhaust system is the premier upgrade for all S4 owners looking to maximize the performance from their 4.2L FSI V8 engine. Our exhaust system will enhance the sound that Audi created from the factory by making it smoother, deeper,…

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  • B7-S4 FI CAT BACK EXHAUST

    $1,449.00$1,479.00

    Fast Intentions is proud to present our B7 S4 Cat Back Exhaust System. This Cat Back exhaust system is the premier upgrade for all S4 owners looking to maximize the performance from their 4.2L FSI V8 engine. Our exhaust system will enhance the sound that Audi created from the factory by making it smoother, deeper,…

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  • B8-S4 FI CAT BACK EXHAUST SYSTEM

    $2,025.00$2,195.00

    Fast Intentions is proud to present our B8 S4 Cat Back Exhaust System. This Cat Back exhaust system is the premier upgrade for all S4 owners looking to maximize the performance from their 3.0L 24V TFSI V6 engine. Our cat back exhaust system will enhance the sound that Audi created from the factory by making…

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  • B6-S4 FI CATTED DOWNPIPES

    $1,449.00

    Fast Intentions is proud to present our B6 S4 6MT Catted Downpipes. These down pipes are the premier upgrade for all S4 owners looking to maximize the performance from their 4.2L FSI V8 engine. Our down pipes effectively increase low end torque and maximize power throughout the entire RPM range. Your overall exhaust volume will increase,…

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  • B7-S4 FI CATTED DOWNPIPES

    $1,449.00

    Fast Intentions is proud to present our B7 S4 Catted Downpipes. These down pipes are the premier upgrade for all S4 owners looking to maximize the performance from their 4.2L FSI V8 engine. Our down pipes effectively increase low end torque and maximize power throughout the entire RPM range. Your overall exhaust volume will increase, while…

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  • B8-S4 FI LEAD PIPES & X-PIPE

    $699.00

    Fast Intentions is proud to present our B8 S4 Lead Pipes & X-Pipe. This Cat Back exhaust system is the premier upgrade for all S4 owners looking to maximize the performance from their 3.0L TFSI V6 engine. Our Lead Pipes & X-Pipe will enhance the sound that Audi created from the factory by making it smoother, deeper,…

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  • B6-S4 FI RACEPIPES

    $1,149.00

    Fast Intentions is proud to present our B6 S4 6MT Race Pipes. These race pipes are the premier upgrade for all S4 owners looking to maximize the performance from their 4.2L FSI V8 engine. Our test pipes effectively increase low end torque and maximize power throughout the entire RPM band. In the automotive industry these…

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  • B7-S4 FI RACEPIPES

    $1,149.00

    Fast Intentions is proud to present our B7 S4 6MT Race Pipes. These race pipes are the premier upgrade for all S4 owners looking to maximize the performance from their 4.2L FSI V8 engine. Our test pipes effectively increase low end torque and maximize power throughout the entire RPM band. In the automotive industry these…

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  • B7-S4 25TH ANNIVERSARY FI CAT BACK EXHAUST

    $1,299.00$1,319.00

    Fast Intentions is proud to present our B7 S4 25th Anniversary Cat Back Exhaust System. This Cat Back exhaust system is the premier upgrade for all S4 owners looking to maximize the performance from their 4.2L FSI V8 engine. Our exhaust system will enhance the sound that Audi created from the factory by making it…

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