• Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6
  • Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6
  • Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6
  • Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6
  • Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6
  • Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6
  • Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6
  • Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6
  • Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5 IEEXCK6

Integrated Engineering Pro Core Downpipe For Audi B9/B9.5 S4 & S5

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WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.

Unlock an improved exhaust note and increased flow for Audi S4 & S5 customers without triggering a check engine light. IE ProCore Downpipes for B9/B9.5 3.0T engines feature our all-new, in-house-engineered, 6" 400CPSI catalytic converter with a specialized tri-core catalyst and precious metal coatings. This design passes all vehicle readiness monitors while providing substantial flow gains over stock to support ECU tunes andhybrid turbochargers. B9 owners can now enjoy a free-flowing exhaust with CEL-free operation.

THE PROCORE ADVANTAGE

CEL-FREE

Our new ProCore Catalyst provides a downpipe upgrade that passes vehicle readiness monitors without triggering a check engine light.

HIGH FLOW DESIGN

The 6" 400CPSI CAT removes factory downpipe restrictions to support substantial power gains from ECU tune and turbocharger upgrades.

QUALITY BUILT

Manufactured with quality T304L stainless steel and an advanced molecular bonded wash process for lasting strength and performance.

BOLT-IN UPGRADE

These downpipes are direct-factory replacements that can be installed with the factory heatshield and engine covers for a truly stealth look.

CONSUMER NOTICE: BY PURCHASING A MOTORSPORT/RACING PRODUCT ("PRODUCT"), YOU REPRESENT THAT YOU UNDERSTAND AND AGREE THAT: THE PRODUCT IS NOT DESIGNED TO MEET ANY APPLICABLE EMISSIONS STANDARDS, WHETHER IN THE USA OR OTHERWISE, THE PRODUCT IS NOT C.A.R.B. COMPLIANT, AND THAT THE PRODUCT IS NOT FOR SALE OR USE IN CALIFORNIA, USA NOR ANY OTHER JURISDICTION WHERE THE SALE OR USE IS PROHIBITED BY LAW. EXCELERATE, LLC MAKES NO REPRESENTATIONS, WARRANTIES, OR CLAIMS THAT THIS PRODUCT COMPLIES WITH ANY APPLICABLE EMISSIONS LAWS AND EXPRESSLY DISCLAIMS ANY AND ALL SUCH REPRESENTATIONS, WARRANTIES, AND CLAIMS, WHETHER EXPRESS OR IMPLIED. BY PURCHASING THIS PRODUCT, YOU REPRESENT, WARRANT, AND AGREE THAT IT IS YOUR RESPONSIBILITY TO INFORM YOURSELF OF ANY LAWS OR REGULATIONS THAT MAY APPLY TO YOUR PURCHASE AND/OR USE OF THE PRODUCT.

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