Quote:
Originally Posted by yamaha16bw
ALOT LOUDER too. My brother has a QPT cutout on his exhaust right after the axels. And man when its open I cant even hear my car at WOT.
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hello i have an external westgate(evolution 35/3

and i have a problem with this..if you know something about my problem,.thank you.i have this external and it works but it doesn t make noise like other external.the truth is that this external is working with screamer pipe althoughti can t hear it at all(none).i work with a spring that hold the pressure at 1.5bar always but none of noise.when i used the spring(red colour)the external hold the pressure at 1.0 bar and i couldn t work more pressure.and the noise was very little.please help me because i try to look for this problem and i can t found anything.thank you.