Reply to thread

Message: <blockquote data-quote="Slide" data-source="post: 382343" data-attributes="member: 293">i wouldn't trust any extractor that you can buy for 2k. its a pretty complicated thing to make, you have to take into account exhaust pulses and a whole other pile of stuff that i never even knew existed. i would buy and install it only, if they guy will refund my money when i take it to a dyno and it makes only 1 bhp more or so ... if you're lucky... 6% ? not a snowballs chance in hell. to make any sort of gains, you will need a remap of your ecu at least, no real big power gains from bolt on parts for n/a cars... unless you consider a supercharger bolt on....  i did the same on my car, paid 5k for hiop headers from germany and they didn't do squat. did a before and after run, and only 1 bhp diff. save your money dude.</blockquote>