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RE: Exhaust upgraded then ... my car slower
It's possible that it is simply too large in size. All engines need some backpressure to make max horsepower.
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RE: Exhaust upgraded then ... my car slower
what u also need to do is get a complete kit instead of just a muffler or an axel back just go with the cat back u wont regret it. Payce;)
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RE: Exhaust upgraded then ... my car slower
Backpressure is a myth but if it is not the right size you can hinder performance.
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RE: Exhaust upgraded then ... my car slower
ORIGINAL: 2000Ex Backpressure is a myth but if it is not the right size you can hinder performance. Not true in all cases I admit, but to call it a myth is not correct. |
RE: Exhaust upgraded then ... my car slower
smaller CC engines requrie a certain amount of back pressure...even V8s require some back pressure...you dont want to have a higher volume of exhaust flow than you do exhaust valve size. for instance, on a V8 i built...it has 1.67inch exhaust valves, the guy bought 1 7/8 inch headers, which were too big...he found that he had more low end torque with a 1 5/8 inch headers...you dont actually lose power, you lose initial torque..the reason people say that "smaller engines are more affected, is because they have less low end torque. take 2 cars, for example...a 2002 Accord V6, and a 2002 Camaro SS. you can hinder low end torque on both vehicles by putting too big of an exhaust system on them, but the camaro has around 300ft/lb of torque, whereas the accord only has around 175 (i think) so when a oversized exhaust may cause, say, a 10% low end torque loss, it is alot more determental on the accord with the smaller engine.
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