Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
    Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
    Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
    Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
    Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System
  • Audi S4 B9 / Audi S5 F5 APR Catback Exhaust System

    Reference: CBK0012
    EC Approved: No
    In stock:
    2
    Shipped from EU
    2,459.94 €
    VAT incl.
    Quantity

    Made from high quality T304 stainless steel TIG welded pipework, this APR vavled exhaust system, coming with all the necessary assembly hardware, fits without any modifications from the downpipe of the Audi S4 B9 and Audi S5 F5. Designed to bring an aggressive tone to the 3.0 TFSI engine and a sportier looking to the car thanks to its quad 90mm polished tailpipes, this catback has a primary diameter of 3.5" / 90mm, reduced to 2.5" / 63mm offering a gain of about 10hp on a stock engine.

    -

    Direct mounting

    Integrated exhaust valves

    100% T304 stainless steel

    10hp power gain

    TIG welding

    3.5" / 90mm > 2.5 / 63mm pipework

    Polished quad 90mm tips

    Helmholtz resonator minimized drone

    Mounting kit included

    Made in USA

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    Audi S4
    Audi S5
    - This product is compatible with all these cars -
    Brand Model Type Version
    Audi S4 B9 - 16-21 3.0 TFSI - 354
    Audi S5 F5 - 16-... 3.0 TFSI 354
    Content protected by copyright © 2024 - All rights reserved
    Shipping fees
    person
    email

    Made from high quality T304 stainless steel TIG welded pipework, this APR vavled exhaust system, coming with all the necessary assembly hardware, fits without any modifications from the downpipe of the Audi S4 B9 and Audi S5 F5. Designed to bring an aggressive tone to the 3.0 TFSI engine and a sportier looking to the car thanks to its quad 90mm polished tailpipes, this catback has a primary diameter of 3.5" / 90mm, reduced to 2.5" / 63mm offering a gain of about 10hp on a stock engine.

    -

    Direct mounting

    Integrated exhaust valves

    100% T304 stainless steel

    10hp power gain

    TIG welding

    3.5" / 90mm > 2.5 / 63mm pipework

    Polished quad 90mm tips

    Helmholtz resonator minimized drone

    Mounting kit included

    Made in USA

    Audi S4
    Audi S5
    - This product is compatible with all these cars -
    Brand Model Type Version
    Audi S4 B9 - 16-21 3.0 TFSI - 354
    Audi S5 F5 - 16-... 3.0 TFSI 354

    - Further information -

    Our technical specifications and compatibilities refer to the standard equipment of the vehicles mentioned, in case of doubt about the compatibility of a product, please contact our customer service to answer your questions.

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    Content protected by copyright © 2026 - All rights reserved

    Shipping fees

    APR products are warranted for a 2-year, unlimited mileage period from the date of original purchase. APR's warranties are transferable when ownership of the vehicle into which the APR products were originally installed is sold. To obtain service under this warranty, products must be brought / shipped, upon discovery of a malfunction or defect in materials and/or workmanship, to any Authorized APR Dealer. In the event of a warranty claim, APR will repair or replace, at its sole discretion, any defective APR component. This warranty does not include reimbursement for repairs to any original vehicle manufacturer’s component(s) that may have been affected by a APR component, labor charges associated with the repair or shipping to dealer charges.

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