Originally Posted by SER96VSPEC
I don't see how it can be done cheaply since you'd have to cut your intake manifold and weld on a flange or fitting for the EGR valves. The cat is a no-brainer since it's after the exhaust manifold secondary pipe. The key to passing out the tailpipe is a good functioning cat, preferably an OEM one....they work best. I tried an aftermarket one on my P10 and it only worked the first time...only put on 10K miles on it and it would pass the second time around. Slapped on my OEM with 125K+ miles and it passed with flying colors (this was 2 years ago before the VE).
I don't see how it can be done cheaply since you'd have to cut your intake manifold and weld on a flange or fitting for the EGR valves. The cat is a no-brainer since it's after the exhaust manifold secondary pipe. The key to passing out the tailpipe is a good functioning cat, preferably an OEM one....they work best. I tried an aftermarket one on my P10 and it only worked the first time...only put on 10K miles on it and it would pass the second time around. Slapped on my OEM with 125K+ miles and it passed with flying colors (this was 2 years ago before the VE).
I would buy that manifold and swap it over every two years. Easier to swap intake manifold than swapping whole engine. I thought Mac wanted to start fabbing those up...