03 e500 exhaust
All factory. Plans are exhaust, eurocharged ecu and tcu tune, needswings intake, drilled slotted rotors and thats about it. Goal is 350 whp (400-450 to the crank) so might end up doing more. Quick reliable weekend cruiser.




Quiet at idle and cruising but nice throaty rumble when stomping on the gas.
Bumper cutouts done by the muffler shop using my Dremel tool, contact paper and template.
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Your engine will breathe a lot easier and you'll notice a profound difference starting at around 2,500 rpm when stomping on the gas.
Mid-length headers alone are good for an additional 20-25 rwhp.
Together with the tunes they'll totally transform your car.
Enjoy.
Your engine will breathe a lot easier and you'll notice a profound difference starting at around 2,500 rpm when stomping on the gas.
Mid-length headers alone are good for an additional 20-25 rwhp.
Together with the tunes they'll totally transform your car.
Enjoy.




If you want to calculate them separately, here's what I would estimate for horsepower increases at the crank.
Headers: 25 HP
Intake: 10 HP
AMG mufflers and resonator delete: 10 HP
ECU tune: 25 HP
Total gains: 70 HP at the crank.
302 + 70 = 372 HP (almost in E550 territory).
I never dynoed my car but these would be my best guesstimates.
Just purchased a Dragy device and once I get new tires I'll check out my zero to sixty time.
Hoping for 5 seconds flat.





