Aftermarket headers with stock cats
08-12-2007, 10:27 PM
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06 EuroElites E55
yes renntech and evosport make shorty style headres that leave the cats in place. adam at euroelites was having a sale on them awhile back not sure if he still is or not?
08-13-2007, 03:23 AM
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2004 E55
I got my shorty evo sport headers from Adam about a month ago. They just bolt up to the stock cats, they do not trigger any CEL's. Adam is great to work with, I recommend him as well.
08-13-2007, 06:11 PM
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08-13-2007, 08:49 PM
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W211 E55 AMG
doesn't removing the primary cats trigger the check engine light, as well as mess with emissions.
I suspect that without the primarys, the car wont pass emissions tests (mandatory yearly over here).
I suspect that without the primarys, the car wont pass emissions tests (mandatory yearly over here).
