# Orr89rocz's 1989 Camaro Iroc-z 5.7L

**URL:** <https://forums.speedlife.net/t/orr89roczs-1989-camaro-iroc-z-5-7l/188547>\
**Category:** Builds\
**Created:** [March 12, 2007, 9:09pm UTC](https://forums.speedlife.net/t/orr89roczs-1989-camaro-iroc-z-5-7l/188547 "2007-03-12T21:09:21Z")\
**Posts on this page:** 1\
**Showing post:** 640

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**Author:** ![Quik](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/quik/32/5979_2.png) [@Quik](https://forums.speedlife.net/u/Quik)\
**Post date:** [December 9, 2009, 5:37pm UTC](https://forums.speedlife.net/t/orr89roczs-1989-camaro-iroc-z-5-7l/188547/640 "2009-12-09T17:37:38Z")

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> [@Fry != Addition? Fry = Replacement?](https://forums.speedlife.net/t/fry-addition-fry-replacement/41766/30):
>
> should beable to get this thing on the JSdyno easier… lol 🙂
> 
> Do the 3", its worth it. Plenty of room to run it, atleast on my car. Looks like room under the 4th gens to do the same.
> 
> If you do single, i’d do 4 into dual 3 if you want dual outlets. 2.5 will choke it too much

well i have the Centermount exhaust and tips are 2.5" inlet. dual 2.5 is still more diameter then single 4". i plan to run a cutout for track

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