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Originally Posted by SOCAL.M6.ZLE
Great question... if you want the good ones, look no further than the GESI UHO 4.5" #85230 rated at 850hp per cat!
I upgraded to these and had them welded in with Vbands after my American Racing HF Cats were heavily folded over after only 3k miles...
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Ordered! Thanks Guys.
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2023 BMW X4M Competition (Downpipes, Midpipes, Intake, Exhaust, Tune)
2023 ZL1 1LE BC Forged KXO5, 325/345 R888R, KPMF Satin Pearl Wrap, 2650/Heads/Cam/3200 stall/Meth- 918 rhwp/842 rwtq, Girodisc/Carbotech AX6, Race louvers.
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