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I'd look at Remus and APR as well

... confirmation from Audi extended warranty that I can run a cat back exhaust and still maintain the Audi warranty - happy days! However....been ... B7 RS4 and loved it but im hearing quite a few negative things on here. APR and Remus are in the mix as well but cant find too much info on the forum ...

... absolutely rips - sounds like world war 2 from outside the car. If you just want a little more noise then standard, i'd look at something like the APR catback - either with or without the center muffler. Cheapest I've found going around and it looks like very decent quality. My next step is going ...

... absolutely rips - sounds like world war 2 from outside the car. If you just want a little more noise then standard, i'd look at something like the APR catback - either with or without the center muffler. Cheapest I've found going around and it looks like very decent quality. My next step is going ...

My Miltek 2016 model or even earlier been using for 5 years I have none resonated exhaust Miltek version and works and sounds brutal with stock Downpipes)

I just heard the remus sound clip through the tv and sounds so much better! Not enough clips out there of the APR system either with or without the centre box. The RS7 clip is without centre box and race DP's & standard DP's https://www.youtube.com/watch?v=PGrAiACZygs Maybe worth ...

Sounds good on the link. I’d not looked at Remus.
Agree though it’s so hard to hear the proper sound on a computer and they are always being razzed.
My Milltek sounds pretty good on the move but when stationary the rattle sounds cheap and not like a quality car!

Been looking into the exact same exhaust along with Remus system. There are a few videos online of the APR system on an RS7 but its hard to comprehend the sound through the laptop. Are you looking at the APR ...

... open with the valve delete so it’s not that. Sound more obvious from the offside box. Maybe baffles have gone inside? Is anyone running an APR system and has any videos of it? Do you still get the flutter thing? Is it an RS6 thing or just a problem with the Milltek’s? Also looking at the ...

... No dtc though… anyone have an idea what to try or how to debug this? APR updated my maps but that wasn’t it. Changing oil quality in vcds from 2 to 1 doesn’t fix it Exhaust Valves are not stuck, engine is not in safemode No dtc error at all Have the ...

Hey everyone Im driving an c7 Performance with Stage 1 apr 705hp, car has 60k km down now , bought it at 4600km. Ive added a non resonated ... km ago. Sometimes the car just sounds different and i cant find out why… exhaust valves are working properly. Can it be fuel related ? Ambienttemperatur ...

Hey everyone Im driving an c7 Performance with Stage 1 apr 705hp, car has 60k km down now , bought it at 4600km. Ive added a non resonated ... km ago. Sometimes the car just sounds different and i cant find out why… exhaust valves are working properly. Can it be fuel related ? Ambienttemperatur ...

Hey everyone Im driving an c7 Performance with Stage 1 apr 705hp, car has 60k km down now , bought it at 4600km. Ive added a non resonated ... km ago. Sometimes the car just sounds different and i cant find out why… exhaust valves are working properly. Can it be fuel related ? Ambienttemperatur ...

Hi all,

Craig - read your post with interest and a little confused.... Have you fitted an Akra or the APR? - just interested as it sounds perfect!?

(sorry to hijack your thread tmg)!

Cheers,
Lig.

Quote From an earlier post..... Not sure what valves APR use but milltek used valves with additional little spring under the valve ... suppose against rattling flap or give it some extra tension). But over time exhaust carbon fills up the cilinder with spring and therefor the OEM spring can't ...