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dual exhaust

  1. True dual gbody exhaust with stock crossmember?

    Engine Topics
    Can I run true dual exhaust on my 79 El Camino with the stock transmission crossmember? I really don't want to spend 200+ on the double hump crossmember. I plan on doing true dual from the manifolds, 2 1/4" pipe, no cats, and flowmaster super 10s or cherry bomb extreme mufflers. Just for...
  2. Dual Exhaust: How Much Power Improvement

    Engine Topics
    I replaced the factory single exhaust on my 85 EC with dual exhaust with dual catalysts when I bought my EC 8 years ago. The performance improvement was substantial including higher RPM range, faster acceleration, more low range power with a little improvement in gas mileage. The guy I bought...
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