Audi S8 (2020+)

APR ECU Upgrade - 4.0T EA825 V8 (D5) (S8)
APR ECU Upgrade - 4.0T EA825 V8 (D5) (S8) APR Engine Control Unit (ECU) Upgrades are now available for the Audi S8 (D5) 4.0 TFSI V8 engine with the Bosch MG1 ECU! Expect massive gains with up to 685-767 HP and 731-804 FT-LBS of...

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Terms and Conditions Welcome to the website of PSI Proformance Inc. (“Company,” “we,” “our,” or “us”). These Terms and Conditions govern your use of our website, purchases, and interactions with our services. 1. Acceptance of Terms By accessing or using our website, purchasing products, or engaging with our services, you agree to be bound by these Terms and Conditions and our Privacy Policy. 2. Products & Custom Orders All product descriptions and specifications are subject to change without notice. Custom Order Products: All sales are final. No refunds will be issued for custom orders. Exchanges may be permitted only with written approval from PSI Proformance Inc. Customers are responsible for ensuring correct fitment before placing custom orders. 3. Limited Lifetime Warranty PSI Proformance Inc. offers a Limited Lifetime Warranty on workmanship for all PSI Proformance-branded products purchased by the original owner. This warranty is intended to provide peace of mind and uphold our commitment to quality craftsmanship. This warranty: Covers defects in materials and craftsmanship under normal, intended use. Excludes damage caused by misuse, accidents, improper installation, unauthorized modifications, or neglect. Requires a valid proof of purchase from PSI Proformance or an authorized dealer. Does not cover any associated costs, including but not limited to labor, shipping, or incidental expenses related to installation or removal. For non-PSI Proformance branded products, warranty coverage is provided directly by the respective manufacturer. Please refer to the warranty policy listed on the individual manufacturer’s website for details. 4. Returns & Exchanges Returns are accepted for standard (non-custom) products within 14 days of delivery. Products must be unused, in original packaging, and accompanied by proof of purchase. A restocking fee may apply. Shipping costs are non-refundable, and return shipping is the customer’s responsibility. 5. Competition Use Disclaimer Many of our products are intended for off-road or competition use only. By purchasing, you acknowledge and agree: These products may not comply with federal, state, or local emissions laws. It is your responsibility to determine product legality in your jurisdiction. PSI Proformance Inc. is not responsible for any legal penalties incurred from misuse. 6. Intellectual Property All content on this website—including logos, text, images, and product designs—is the intellectual property of PSI Proformance Inc. and may not be used without prior written consent. 7. Limitation of Liability PSI Proformance Inc. shall not be liable for any indirect, incidental, or consequential damages resulting from: Use or misuse of our products Website errors or interruptions Any failure to meet your expectations 8. Governing Law These terms shall be governed by the laws of the State of [Insert State], without regard to its conflict of law provisions. 9. Modifications We reserve the right to update or change these Terms and Conditions at any time. Changes will be posted to this page with an updated effective date. 10. Contact Information For questions about these Terms and Conditions, please contact us at: Email: info@psiproformance.com Phone: (215) 361-7100 Address: 200 W 5th St, Suite 104, Lansdale, PA 19446