What year is the most reliable WRX?
The 2004 Subaru WRX is generally regarded to be the most reliable model year. This is based on the total number of complaints that have been filed per year. The 2005 through 2007 model years also generally are considered to be more reliable than the earlier and later years.
How much horsepower can a 2004 Subaru WRX handle?
It will handle near 400-450 HP crank like sphinx said. I spoke with one guy at the track who had one and was telling me this . With the larger displacment it is hard to pump more PSI into the engine without doing pistons and things of that nature, due to the design of the engine.
What year WRX has the best engine?
The 2006 Subaru Impreza WRX Is The Best This was the year that Subaru introduced a 2.5-liter turbocharged four-cylinder engine for the STI. Drivers behind the wheel of their WRX STI enjoyed 300 bhp thanks to the turbocharged engine, while drivers of the base model had 230 bhp.
What kind of exhaust system does a WRX use?
Horsepower gains from intake systems on the WRX are smaller, but there still are a few horsepower (maybe 5) to be gained, and as other modifications increase, the added power will go up as well. The stock exhaust system uses small-diameter tubing and a fairly restrictive muffler in the effort to combat noise.
How many horsepower does a clubwrx WRX have?
Straight out of the box, it generates 227 horsepower, but simple bolt-on modifications can increase that to over 400! To unleash the increased power from your turbo-charged motor, you need to allow the turbocharger to breath more freely, on both the intake and exhaust sides of the motor.
Which is better a factory built WRX or factory built?
Technology advances, though, and the newest factory-built intakes are much better. Horsepower gains from intake systems on the WRX are smaller, but there still are a few horsepower (maybe 5) to be gained, and as other modifications increase, the added power will go up as well.
How do you change turbo pressure on a Subaru WRX?
There are two ways of doing this, both of which have some tradeoffs. The “easy” way is with a boost controller. You basically remove turbo boost control from the car, and put it in the hands of a mechanical or eletronic device that YOU set, so you can specify whatever boost pressure you want.