what would i gain from cutting the cats out on a 94 stock

bst056981

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I have a 94 viper rt/10 stock would i gain any HP or just change the sound from removing the factory cats ?
 

vipeuup

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I have a 94 viper rt/10 stock would i gain any HP or just change the sound from removing the factory cats ?

You would gain on both, sound and HP. You would get a bit more hp if you just put a straight pipe. I put on high flow cats on mine, and noticed good power gains.
 

kARLUG

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I removed the cats and replaced them with resonators and borla mufflers with dynomax noise reduction cones. End result - much cooler sills, good sound without being obnoxiously loud on a side exhaust car. Car makes 629 rwhp with roe supercharger.
 

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