Why cars do not come with performance headers in stock?

February 17th, 2009 | by Michael |
cars
OstTimber asked:

I hear from many people, what should I change the headers in my car. In my opinion, will not be too expensive for the supplier to make them a little gas in the exhaust from (larger would scroll faster). That because the suppliers do not give their cars? I'm thinking for a change also, is it worth?

CYRUS

  1. 3 Responses to “Why cars do not come with performance headers in stock?”

  2. By David S on Feb 18, 2009 | Reply

    manufactuers do not include them because they lower the mpg on a car just like most other performance part in the 60s and 70s you could get them but now days they are against regulations for manufactuers to put them on because of fuel economy i would not suggest changing with gas prices the way they are

  3. By ANA on Feb 19, 2009 | Reply

    A lot of manufacturers do provide performance parts for their cars, but it doesn’t suit everyone’s taste to have them already installed. Some performance parts like exhaust mufflers and intakes make the car more noisy, and some like headers, and cam gears reduce MPG.

    If you want big HP gains, go forced induction like turbo or superchargers. Headers, intakes, and exhausts will yield a few horsepower. But a turbo is the most for your money.

  4. By big ed on Feb 21, 2009 | Reply

    when manufacturers build cars they have to adhere to certain laws like Idon’t say.. import laws enviormental laws etc etc.. if you put any type of performance add ons to you car your gonna change the amount of smog your cars putting out… and how much gas you cars using etc etc depending on your car lets uh I don’t know.. a Lotus or Lamburghini they have performance equipment stock but if you buy a 20 thousand dollar sports car then you better not expect any high performance equip stock you get me??

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