Headers needed for 454 straight exhaust?
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Headers needed for 454 straight exhaust?
Iam planning on removing the Cat and muffler and weld in pipe on my 1999 Suburban 2500 with a 7.4L. do I also neex to put new headers on it to keep some backpressure? If so could you help me find some headers under $400 because I have ben unable to.
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