Im not the best with engines or anything but i wanna learn more and get into it more. But my audi is a 4 cylinder turbo automatic and its doesnt have very good acceleration. Ive heard an air intake system would be good and i was wondering if i could make it a twin turbo somehow. Anyways just tell me what you think and what would increase acceleration and horsepower and maybe give me a link or something to check some out.|||From everything I've read over the years, the turbo VW engines don't gain much from intakes, but they do respond to a reflash. Get a reflash of your PCM and it could increase boost pressure and make a significant amount of additional power, possibly 30hp or more.
No, you can't make it twin turbo, it's a 4 cylinder.
A higher flow downpipe and exhaust would also help evacuate exhaust gases out the back of the car, freeing up a few hp.
Unfortunately, the stock turbo on these cars is pretty limited, as its sized for the max power of the stock car, and won't respond well to additional boost, so early on you have to upgrade the turbocharger. There are a number of qualified VW/Audi tuners out there, most notably APR and HPA. Unfortunately being an automatic may cause some problems, as they may not be able to tune the automatic to handle too much additional power.|||air intakes are a total waste of money on injection cars, they work on unmetered carburetor engines IF the jets are opened out , a rechip and a slight adjustment of the turbo pressure limiter(dump valve, wastegate) will get you 250 BHP easily, if you want to go overboard copy the new VW polo with a supercharger and turbo 180BHP out of a 1.4L engine reliably, but on a front wheel drive car over 200bhp at the front leads to torque steer and erratic behavior on slippery highways, the imprezas and evos are 4WD|||You could put a k%26amp;n air intake you can put a blotch dominator turbo and hks or amp exhaust like you see the Subaru impreza wrx sti's have it is the one big muffler on the left side. It sounds amazing my neighbor has all of that and more on his Sti and it sound really good and is really fast 100 mph in 2nd gear. Hope that's enough.|||Most people start with intake, exhaust and engine software. Next would probably be suspension and upgraded brakes. You might be surprised thee power your stock turbo can put out with some engine tuning software.
As far as the twin turbo goes... well any car can be made twin turbo with enough money, but it's not very cost effective.
Some sites to check out:
www.goapr.com
www.awe-tuning.com
www.fourtitude.com
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