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Thread: Catalytic Converter

  1. #1
    Junior Member
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    Default Catalytic Converter

    Hello all,

    Thanks for having me. I'm new to the group and just got my G8 GT. I have only had my G8 for about 3 weeks. 2 days ago i started getting a rattling sound from the right front. I took it in to a shop and they found the right front catalytic converter was blowing out. Can anyone help me find a used one ..

  2. #2
    Beyond Help
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    I forget if 08 and 09 had the same cats. I have an 09 pair with maybe around 50k on them.
    09 G8 GT SRM Premium Sport Sunroof



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  3. #3
    Administrator Chewy's Avatar
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    I believe the manifold cats are the same for all years, but the 9.5's added the little pup cats inline.

    Personally, I'd buy a higher flowing pair from Solo and be done with it. It's a major restriction on the G8.

    2009.5 MSM GXP 500ish N/A RWHP. Mods include but aren't limited to: Texas Speed 418 (6.8L) fully forged held together with ARP from top to bottom, PRC 255cc heads, Rick Crawford intake plenum, TB port, polish and tune, Roto-Fab 102mm CAI w/LS7 MAF, Kooks 1-7/8" headers wrapped with DEI, Corsa catless system, Circle D 3200 Stall, 3.45 final drive, BMR's complete street bushing kit and sway bars, Eibach Pro Kit, G-Force Axles, running on staggered VMR 710's with Bridgestone RE11 rubber. HSV triple gauge pack with Calais smokers kit mod, V6 tails, debadge/rebadge, V6 door handles, AU black door trim, Maverick Man under hood strut covers, & washer and bolt kit, fully corrected paint thanks to Adams Polishes and my hard work. Built with reliability in mind with some power for those times when you need to pass or go over a big hill. Just a poser, not a racer!

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