I had a Flowmaster 40 and absolutely loved it. In the search for more power and better fuel mileage, I went to this style:

Originally Posted By Spaceman Spiff




Man, what a mistake that was. Vehicle now sounds like ass and lost bottom end power. I don't care what anyone says: on anything but a full-out race car, you DO need a little back-pressure to maintain off-idle power.

Not picking on your car Spaceman, just using the sound clip is all.

Flowmasters on everything for Me. twocents


Mo' Farts

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