ABT Power Upgrade for Audi S4 (B9/B9.5; MY 2018 -)
$1,990.00
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ABT ECU, wiring harness, mounting bracket; From 349 HP / 369 lb-ft to approx. 419 HP / 405 lb-ft (power increase based on 93 octane fuel; power increase less with 91 octane fuel)
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