
Originally Posted by
Xxyion
I think my modding days are past me. At least in terms of tunes and trying to make big power. Ive always found that anyone who goes that route ends up being unhappy as i think they are chasing something unobtainable. That being said i'm not against things like FBO or mostly QOL mods to make the driving experience better. I'm not trying to turn this car into a racecar by any means and if anything am just looking to actually have a comfy car for once that can still hold its own.
I'm currently deciding what exhaust system i want to go with. I'm not gonna touch the cats at all as i want to stay compliant for CARB. I did spec the carbon package so hoping that will basically take care of any external flare i might have added myself. Other than that i cant really think of anything else that i might want to do.
As a fellow CARB-compliant state guy - I just bought a unitronic downpipe. As I understand it, the best (or one of the best) sounding systems with a stock downpipe on this car is the Bull-X exhaust by HG Motorsport (sold by EMD Auto in the USA). I just ordered that for myself as well. The stock exhaust is great but I'm crazy so I want more. Going from stage 1+ 93 to stage 2 93 (both Uni tunes) for no reason other than sound pretty much. It's not a huge power bump.
I'd say a stage 1+ tune from Unitronic is super worth it. I drove the car fully stock other than some catless midpipes for 8k miles to make sure I reeeeeally wanted the extra power and responsiveness and I couldn't be happier I chose to tune. It's really how the car should have come from factory, as cliche as that might sound. Everything's already effortless with this thing but it just becomes a little smoother and a little tighter and just makes it so much better all around. For a while now I've been running the 1+ tune on a 4" 034 intake and inlet, 18" neuspeed RSE11R wheels, midpipes, and nothing else. I had H&R VTF (adjustable) springs on the car at one point when I was running 255/35/18 tires and although the fitment looked great my ride was pretty bouncy in anything but dynamic so now I'm on 245/40/18 tires and stock springs. The fitment is acceptable IMO and the ride is MUCH better. Not that I really mind always driving in dynamic, but it's nice having the option to drive in auto or comfort suspension modes and enjoying that ride without bouncing all over the place, haha. I can't really make up my mind if the extra sidewall has made a real impact on my ride quality since I went back to stock springs and swapped tires at the same time but it can't be too bad. I don't ever race my car (like literally never) and really just like throwing some back roads or summer cruises at it so I don't really need the springs or lower sidewalls&wider widths for handling.
I think the sweet spot for sound is probably stage 1+ E85 or stage 2 any octane. For some weird reason, with Unitronic on stage 1+ 93 you don't get full open exhaust valves in dynamic and the slightly increased pops/bangs that you get with stage 1+ E85 so the sound will be randomly muffled and you'll hear the valves open up at 3500ish RPM. I also am not a fiend for pops and bangs really but I do enjoy them and after tuning I've actually heard them a lot less except for in very specific weather conditions. I travel a decent bit so the E85 tune isn't a viable option for me so I'm going stage 2 with uni's downpipe which is emissions compliant everywhere but california iirc. Also with Unitronic's stage 1+ tunes you have to get their stage 2 TCU tune and I would suggest getting a dogbone mount and inserts. I've had some shifts that were hard enough to make me wince at the least and at worst I actually thought I broke my car on a 1-2 shift while launching. This isn't everyone's experience on their stage 2 TCU tune but it has been mine and while I'm in the minority I'm a safe than sorry kinda guy as this is my daily.
This car stock is still fun stock though. Drive it and when you start getting settled in or itching for mods, go catless midpipes- they'll give you a decent 10-15% increase in sound. Then go Bull-X and lose your mind...or so I've heard. I'll drop some more sound clips of my setup (afaik none on youtube of uni DP with bullx) when I have it on but @socalrs has some clips on his instagram on the stock downpipe that should be similar. From what I've heard the uni DP doesn't really add much volume if any over the stock DP and I'm expecting the tune's changes to the valve behavior will create a more major impact.
Sorry for the looooooooooong response but I figured you would appreciate it since it seems like what we're looking for out of our RS3's is similar. I bought my car at 32.7k miles last April and crossed 50k miles last week. This thing is a work of art.
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