How much louder is a hi-flow cat than the regular stock cat?
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Joined: Feb 2001
Posts: 940
Likes: 1
From: Gaithersburg, Md
Originally posted by Tom93R1
A high flow will pass emissions. I have just in the last few days been struggling with emissions and swapped out my high flow for the stock. It made no noticable difference in tested emissions, only difference was sound and about 25HP.
Most HF cats should be very comparable in both price and performance. Get whatever is cheapest as long as it isnt some off the wall brand you find on ebay for $20 because then it probably wont fit right.
A high flow will pass emissions. I have just in the last few days been struggling with emissions and swapped out my high flow for the stock. It made no noticable difference in tested emissions, only difference was sound and about 25HP.
Most HF cats should be very comparable in both price and performance. Get whatever is cheapest as long as it isnt some off the wall brand you find on ebay for $20 because then it probably wont fit right.
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