Audi S4 Performance Catalytic Converters

CTS Turbo high flow cat is made to maximize exhaust flow for highest power gains - Do not compromise performance and sound with factory parts - Unleash your B9 S4/S5 3.0T Potential! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4043052

Mfg#:

CTS-EXH-TP-0009C

$699.99 USD

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Lifetime Replacement

Offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and an enhanced exhaust note affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4005390

Mfg#:

034-105-4045

$1700.00

This product was last offered at the strikethrough price on
03-08-2026

$1200.00 USD

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Lifetime Replacement

Increased Power and Torque, Massive 6.5" Design, Faster Turbo Spool, and Improved Exhaust Note affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4905571

Mfg#:

B930TDPC

$779.00 USD

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Lifetime Replacement

Connect your exhaust with 2.5" CB Connection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4781639

Mfg#:

JHM-B8DPXHFCIBS2

Ceramic Coated Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4164586

Mfg#:

AU94S-CDC

T304 Stainless Steel high flow front pipe kit replaces factory secondary catalytic converters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3644159

Mfg#:

777512

T304 Stainless Steel front pipe kit includes high flow secondary catalytic converters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3644165

Mfg#:

777532

304 Stainless high-flow front metallic catalytic converter/downpipe - 100% handcrafted in Italy! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3644162

Mfg#:

777521

Includes left and right side metallic high-flow sport cats and connecting pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3438681

Mfg#:

767702KT

Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4164584

Mfg#:

AU94S-CD

Built as a direct OEM replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4781640

Mfg#:

JHM-B8DPXHFC30T-