Originally Posted by flippymcbean
New down pipe huh? Damn I'm in the market for one....my hks one sucks. Boost creep. My target boost is 17lb but because of this downpipe I've hit 20 lbs. I'm now afraid to go fast.
its probably your waste gate that sucks. it cant kkep up with the downpipe. they suck on the sti's also. hks is known for quality. you will have the same problem with any decent downpipe. you need to upgrade the wg. or get an electronic boost controller to help.