Negatives of using a quadrat exhaust
06-23-2010, 04:22 AM
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My Ride: BMW 525d M Sport 2006
hello guys,
when i first bought my car, the guy told me "talking generally" that using a quadrat exhaust on a none M5 car means providing the car with more air that it can takes, which is not good for the engine, because more air means more fuel burning and that means quicker burning than the car is meant to deal with.... i'm not an expert, im just tellin u what the guy told me and would like to hear ur ideas about it
when i first bought my car, the guy told me "talking generally" that using a quadrat exhaust on a none M5 car means providing the car with more air that it can takes, which is not good for the engine, because more air means more fuel burning and that means quicker burning than the car is meant to deal with.... i'm not an expert, im just tellin u what the guy told me and would like to hear ur ideas about it
06-23-2010, 07:47 AM
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Location: Originally from Koeln, Deutschland. Enjoying it in Bonita Springs, Florida Now :)
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Bottom line is quad exhausts on non-M cars lose power....at the VERY BEST the exhaust might not make any power losses.
06-23-2010, 05:46 PM
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https://5series.net/forums/topic/985...t-and-fiction/
while his dyno wasn't as elaborate and specific as the boys at RPI and RDS, it does show that he in fact did not LOSE power, but gained.....
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