Peldrigal Posted June 1, 2023 Share Posted June 1, 2023 So, I have installed a Cobra resonated exhaust, and I was quite surprised to discover that it was actually quieter than the admittedly old, rusted, and holed original exhaust. I have heard that they come alive with HFC, but I am curious: is the stainless steel Y pipe something that is needed or will improve the sound, or is it something that I can skip if the original one is still in good condition? 1 Quote Link to comment Share on other sites More sharing options...
Coz@TORQEN Posted June 1, 2023 Share Posted June 1, 2023 The main change in sound will be from the cats and the backbox, most Y-Pipes on the market are exactly the same design as standard and will not have much effect on the sound. Quote Link to comment Share on other sites More sharing options...
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