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Thread: 04-05,06 cat back swap
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11-15-2006, 04:47 PM #1
- Join Date
- Nov 2006
- Location
- Maryland
- Posts
- 18
Silver- 2004 GTO
04-05,06 cat back swap
Is the 05,06 GTO cat back a exact bolt up to the 04 GTO with the rear valance changed? Considering the JBA from www.rpmoutlet.com
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11-17-2006, 07:44 AM #2
Let me dig around. I'm not sure if it's a true bolt up or not. I know you'd be a few hangers short due to having a passenger side exit pipe. I also know that there's a size difference. The 04 was 2.25 and the 05 is 2.5 but I'm not sure if that size is different all the way to the manifold or just from the cats back.
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11-17-2006, 07:54 AM #3
Ok, did some digging. The JBA will bolt right up to your existing exhaust. The JBA kit also comes with the extra hanger you'll need.If you go with a true 05 exhaust then you'll also need mid pipes.
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11-17-2006, 11:03 AM #4
- Join Date
- Nov 2006
- Location
- Maryland
- Posts
- 18
Silver- 2004 GTO
Thanks for the feed back.
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