IE Audi 4.0T V8 EA825 ECU Tune For C8 RS6, RS7, S8, SQ7, SQ8, & RSQ8 | Integrated Engineering (performancebyie.com) I have multiple S8, S4 and Sq5's with APR tunes. …

Mar 28, 2022 · A8 / S8 (D4 Platform) Discussion - APR Stage 2 with Stock Turbos? - . There's been discussion around the stock intake and exhaust / downpipes being adequate for a stage …

Sep 19, 2022 · A8 / S8 (D3 Platform) Discussion - JHM D3 S8 TCU/ ECU Tune - Review - There have been some posts asking about this tune and it's effectiveness on the D3. I thought I'd …

May 26, 2017 · A8 / S8 (D4 Platform) Discussion - A8L 4.0T APR tune worth it? - Has anyone done the APR stage 1 tune for 2013-2015 4.0 T A8? Any thoughts on performance, reliability, …

Apr 15, 2015 · A8 / S8 (D4 Platform) Discussion - APR Tune, anyone here done it? - I have been waiting to hear if anyone had done an APR tune (or other tune) on the new 4.0 T engine.

Feb 24, 2018 · A8 / S8 (D4 Platform) Discussion - My APR Stage 1 S8 , with bonus awesome S8+ review out of a tuner magazine - So I finally got my 2014 S8 tuned to APR stage 1 - …

Oct 16, 2016 · A8 / S8 (D4 Platform) Discussion - APR tune on my 2015 S8 - I had done a stage 1 and Stage 2 Tune on my 2012 A6 and was shocked at the results. Low 12's and saw 170+ …

Oct 5, 2022 · A8 / S8 (D4 Platform) Discussion - Considering APR Tune - I am considering getting the APR stage 1 tune for my 2014 S8. Considering upgrading to the option that allows me to …

Nov 10, 2023 · A8 / S8 (D4 Platform) Discussion - Which tune would you go with? - 2017 stock A8L Only looking for a stage 1 on 93 octane and maybe some E85 down the road.. . (Wife car) …

Mar 17, 2017 · A8 / S8 (D4 Platform) Discussion - Reliability with a tune - As I get ready to sell a car and a house, I look to fall back into a D4, this time with the 4.0t, most likely an S8.