# Sightings Thread

**URL:** <https://forums.speedlife.net/t/sightings-thread/234818>\
**Category:** Shift518 Automotive\
**Created:** [September 18, 2007, 8:21am UTC](https://forums.speedlife.net/t/sightings-thread/234818 "2007-09-18T08:21:28Z")\
**Posts on this page:** 1\
**Showing post:** 21509

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**Author:** ![Mk4\_30R\_Ban](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mk4_30r_ban/32/6347_2.png) [@Mk4\_30R\_Ban](https://forums.speedlife.net/u/Mk4_30R_Ban)\
**Post date:** [May 22, 2011, 2:43pm UTC](https://forums.speedlife.net/t/sightings-thread/234818/21509 "2011-05-22T14:43:26Z")

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> [@My review "Invasion"](https://forums.speedlife.net/t/my-review-invasion/42350/4):
>
> its just a ported blower. Cogg setup or something.

check the posts above you. definently not a ported stock eaton

also a roots blower/whipple/kenne bell sounds completely different than a centrifugal blower. big prochargers and the Vortech S-trims have a pretty distinctive sound to them

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