For your situation, that Eventuri Audi C8 RS6 Carbon Fiber Intake is a MUST-HAVE cuz the volumetric efficiency is basically unmatched for improving throttle response. I'd definitely pair it with the APR Stage 1 ECU Upgrade for Audi RS6 C8 and Milltek Sport Audi RS6 C8 Cat-Back Exhaust System to seriously transform the V8 growl and power delivery... it literally feels like a rocketship lol. gl!!

Story time: Late to the party, but I found that heat soak is basically the real enemy. I didn't want to risk my engine, so I prioritized cooling for long-term reliability.

* CSF High-Performance Intercooler Core Kit for Audi C8 RS 6
* Wagner Tuning Performance Intercooler Kit for Audi RS6 C8

Keeping my IATs low literally saved my turbos during summer pulls. Peace!!!

> What performance mods or accessories are top of your list for better throttle response?

Ok so, you might want to consider cooling because those turbos generate massive heat soak, which really kills response. Its basically all about air density... I'm kinda curious tho, are you mostly doing pulls on the highway or looking for track performance?? Also, be careful with the warranty... whats your plan for when the Stage 1 tune flags the ECU?? gl!

Totally agree on the cooling side of things, those intercoolers are a lifesaver for long-term reliability. But honestly, if youre planning to keep the car and actually want to feel that Stage 1 power properly, dont overlook the transmission. The ZF8 is stout but the factory shift logic can feel a bit lazy once youve added significant torque. I’d highly recommend looking into the [[034Motorsport Dynamic+ TCU Upgrade for Audi C8 RS 6]] to go along with your ECU flash. It raises the internal torque limiters and makes the paddle response way crisper, which basically transforms how the car puts the power down. Also, since its an Avant, the stance is everything—the [[CETE Automotive Active Suspension Control BLE for Audi RS6 C8]] is the gold standard for adjusting the factory air ride height via an app without having to swap out physical links. If you want to go all out on the exhaust and dont mind the premium, the [[Akrapovič Evolution Line (Titanium) for Audi RS 6 Avant (C8)]] is unmatched for weight reduction and that deep, sophisticated tone without any highway drone. Congrats on the pickup, the C8 is a beast once you dial in the drivability!

Honestly, skip the boutique carbon stuff if you want value. I'd suggest the Unitronic Stage 1 ECU Tune for Audi C8 RS 6 for a solid Stage 1 setup. I unfortunately spent way too much on parts that didn't feel different. If you're budget-conscious, the Burger Motorsports JB4 for Audi C8 RS6 is basically the best bang-for-your-buck. It’s SO much cheaper than a full flash and actually wakes the car up. GL!

ok so, stage 1 is definitely the move! but first:
- Looking for peak power or drivability?
- Does warranty matter?
helps for comparing brands and price points! so happy with mine.

Facts.