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04PONTIACGA · 05-25-2013, 12:14 AM

Me personally would suggest keeping the cat, but others have done it. If you decide to remove it or hollow it out, you will need a o2 simulator.

I agree on the flowmaster, I've heard one in person and it sold me on it immediately.

05-25-2013, 12:14 AM	#4
04PONTIACGA GL Member Join Date: Dec 2012 Location: Illinois Posts: 276	Me personally would suggest keeping the cat, but others have done it. If you decide to remove it or hollow it out, you will need a o2 simulator. I agree on the flowmaster, I've heard one in person and it sold me on it immediately.