BoilermakerFan

I will be getting a 2004 A4 1.8TQ Tip UtraSport. My wife commented that it felt a little sluggish off the line. I spoke to my dealer's service dept. and they are mod-friendly so I'm planning to chip it after I break it in.

Here are my planned mods in stages:

First) GIAC ECU upgrade and Tip chip upgrade with K&N (or similar high flow) air filter, and a HyperBoost HX diverter valve.

Second) Need to save up for this- Milltek exhaust and Milltek HiFlow Cat

Third) More saving- SK04 turbo upgrade.

When the OEM brakes wear out I'm planning to replace them with StopTechs as well.

What are your thoughts? I may do a Borla cat-back exhaust with the Milltek cat just to save some cash towards the SK04...

TIA!

$240 worf of puddin

don't do a ko4 get a GT

BoilermakerFan

Why? Is the GT cheaper? More reliable? Better w/GIAC?

$240 worf of puddin

APR stg 3 is faster.... but not cheaper

BoilermakerFan

Ok, the Milltek exhaust would be a splurge, but when it is all said and done, I'd be in the 250-260 Hp range and 240-250Ft-lb Torque on 91-93 Octane gas.

cuatrokoop

Reducing the exhaust back-pressure will help the turbo spool faster, which means it will be less "sluggish". A turbo-back system would be ideal.

Roommate had a '97 A4tqm, stock K03 turbo, APR S.1 chip, N75 "Race" valve, Forge? DV/BPV, Borla cat-back, and a K&N panel filter. The car was quick, but boost took a little bit to come up. That is the nature of the beast.

A turbo motor will never feel like a nat. aspir. motor of the same power level. To reduce lag for a given power level, you increase engine displacement and decrease boost.

angryswede

why not just get an s4 to start with?

escargot

Stutter box/launch control will make it feel pretty quick off the line. ;-)

cuatrokoop

for now. Would LOVE to get boost sitting at the start line of an autocross... :-D

BoilermakerFan

I love the S4 and test drove it, but this is going to be a "company car" and the S4 rides a little too rough to drive customers around on the crappy streets in Evansville, IN. Also, I have a $600/mo car allowance to cover the car, gas, and insurance. The A4 1.8T works out to $602/mo for 2000mi/mo with gas at $2/gal and an est. avg of 25mpg...

The UltraSport package improves the handling/feel of the car, but doesn't make it too stiff.