Originally posted by USCAAAA
Ok, I have a 2004 6sp Quattro, and as soon as I bought the car I sprung for APR exhaust and the Stage 1+ chip with injectors. I have since decided that it is TOO SLOW! I have the Evo Intake and Forge DV on the way and I want to hear everyone's opinions (which I'm sure are all different) of how to best spend $4000 to be DONE with my engine tuning entirely. Which turbo kit, which software, FMIC?, test pipe?, new cat? and the retail totals for each. Also I'm wondering if I can get anything for the APR chip I payed WAY too much for ($1100). Unfortunately I had not yet discovered this forum when I had just bought my car or I would have asked all these questions months ago. Any input would be greatly appreciated, but the last thing I want is a stupid argument about whos car is better, I would just like to hear each persons opinion. I know that there are obviously other threads about this, but the information is kinda all over the place. Thanks again guys, HELP ME MAKE AN INFORMED DECISION, this is a lotta dough.
Peter
My humble opinion;
The APR exhaust was not the right choice for performance (or quality for that matter). MTM's full 70mm exhaust system, with their DP/CAT, would be my pick (since I have them), but that would be most of your $4K budget. I had APR and GHL and both were bad for many reasons (fitment, noise, performance, build quality,..etc). Regardless, I'd still get a different exhaust and either do a test pipe, or either MTM's DP/CAT or Millteks HF Sport CAT. Just depends on how you want to deal with emmissions in CA (changing the CAT pipe for smog tests and whether or not you want to pollute more).
With an FMIC; Eurocode Tuning's FMIC seems to be one of the better ones and at a decent price. OC-T has one too and is excellent, but around $1500 IIRC.
As to turbo upgrades; the only positive looking one, within your budget, would be the E05/REVO set up. As well as the K04/REVO (if they have that).
APR's Stage 3 kit is suppose to be available soon. "DLSJ5", on here, is set to get his soon. But that's going to be at least $5K for everything (although since you have their exhaust, you can deduct it). Then you need a clutch and BBK though (which you should honestly get with any significant power/tq increase on this car), along with the FMIC. If you want to do it right, you need these other upgrades.
A T-28 HW kit with REVO is another option too. This might actually be one of the better ones at the moment. Of course there is also the GT28RS kit that Davod at Eurocode ran for a while. So you have a few options. You just need to contact sources and get quotes/specs and fit your budget.
The Forge DVR is a good choice IMO. Generally stay away from BOV's, although Forge does have one that Eurocode says works.
And don't forget to use some good oil/fluids like Motul

. If you're going to be increasing power/stress levels on your 1.8t, you want the best 100% synth in there. Use a 5W-40 or something like Motul's 8100 Ester E-Tech 0W-40. Or even their 300V 5W-40 Pure Ester Racing oil.
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