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Muffler deletes and straight pipe exhaust can provide a lot of loudness, but honestly not much else. Rough sound and potential legal issues easily outweigh the fact that straight pipes are by default the cheapest exhaust option. Aftermarket exhaust systems and mufflers can give you the sound and flow you want without the negatives that come with straight pipe exhaust. But here are the most common vehicles that we see with straight pipe exhaust or muffler deletes. With the release of the 6.4L Powerstr