#12205, "RE: Question about External O2 Dump" In response to In response to 1
Originally posted by Jeff_99gs Is there any space around the flapper? If your flapper isn't sealing well, gasses will escape through there and make it sound like you have no exhaust.
Ill have to check... Im gonna take the dump off and put my stock housing back on tomorrow i think, its too loud even when im just cruising
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I used to have a 420A...
'92 TSi AWD
11.8 @ 119mph 470awhp 405 ft/lb torque 30psi on E85 w/ Borg Warner S256 Turbo
