Quote:
Originally Posted by elvism
Pulley from Dinan..I recently purchased the Dinan engine and trans software and I am pleased with the gains... Is the underdrive pulley worth $700 parts/labor for the gains or is it better to save up for a BMW M exhaust? Which one will give better gains in hp?
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Yes it is worth the money and you don't get gains with a rear axle exhaust.
its a simple install and you can feel the improvement from low to mid rpm's range.
100% worth the investment