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Haven't posted on this thread a while but I recently installed MBH Headers on my 507 with a Eurocharged X-Pipe (still using stock midpipe, resonator, and mufflers) and I gotta say these headers made me fall in love with this car all over again! The power increase is phenomenal and the sound is just orgasmic! If you guys are looking into putting headers in your 63 then I definitely recommend MBH!
Haven't retuned yet since cel light hasn't come on yet. The guys at eurocharged canada told me to drive car for 60km in order for the light to come on. If it doesn't, then they already tuned it with the catless ecu file. And thanks!
It's adaptable for minor upgrades, such as bad gas, and row box upgrades. For major upgrades, you will need a retune. You should have the car retuned if you install a set of long tube headers. Otherwise, the car will be running lean.
As others have mentioned, you need a tune. Luckily, Eurocharged has a header file ready to go! Even if the light doesn't come on, I'd double tap to ensure you're running a tune designed for headers to get the most out of your setup.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
