I just got me truck back from putting a magnaflow CAT in it and it sounds louder.
New Y-pipe and High-flow Cat
Last thing I did was get a custom Magnaflow 2.5" Dual Cat-back, but I'm thinking of getting a new Y-pipe fabbed up and replace the stock cat while I'm at it. I'm thinking of going with a 2.25 into 2.5" y-pipe, then into a 2.5" in/out high-flow cat. This way I can reuse my 14" magnaflow muffler I spent the bucks on.
Having a High-flow cat will make the exhaust louder,correct?
And, should I just go with a 2.5" into 2.5" y-pipe, or should I stick with 2.25"?
Thanks!
Having a High-flow cat will make the exhaust louder,correct?
And, should I just go with a 2.5" into 2.5" y-pipe, or should I stick with 2.25"?
Thanks!
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That's what I wanted to hear.
Thanks a bunch!
Thanks a bunch!
Pipes
It is really not much louder. I have a 97 Dak with a 5.2 and Gibson Headers ( 120Kmiles on the headers they are great) and have finally (after divorcing my insane wife) gotten around to fixing the exhaust. The factory y is a 1 3/4 y pipe to a 2 1/4 collector where the front O2 sensor is. Just after the sensor I fabed a 2 1/4" to 3" collector that splits to two 2 1/2 tubes through two Magna Flow HP mufflers. I fabed the tail pipes out just behind the rear tires. It is quite a bit quietier than I anticipated from the cab but it sounds real good outside. It is a work in progress as I am fab'in the front and plan on putting in high flow cats. I substituted in an O2 simulator for the back sensor O2sensor from o2simulator dot com until I get the cats in with no adverse results. It runs considerably better with the current configuration and I am looking forward to the true duals with the xpipe after the dual cats (inspection, my home is being annexed and inspection is in the future). Hope this helps.
It is really not much louder. I have a 97 Dak with a 5.2 and Gibson Headers ( 120Kmiles on the headers they are great) and have finally (after divorcing my insane wife) gotten around to fixing the exhaust. The factory y is a 1 3/4 y pipe to a 2 1/4 collector where the front O2 sensor is. Just after the sensor I fabed a 2 1/4" to 3" collector that splits to two 2 1/2 tubes through two Magna Flow HP mufflers. I fabed the tail pipes out just behind the rear tires. It is quite a bit quietier than I anticipated from the cab but it sounds real good outside. It is a work in progress as I am fab'in the front and plan on putting in high flow cats. I substituted in an O2 simulator for the back sensor O2sensor from o2simulator dot com until I get the cats in with no adverse results. It runs considerably better with the current configuration and I am looking forward to the true duals with the xpipe after the dual cats (inspection, my home is being annexed and inspection is in the future). Hope this helps.
When I got my high flow cat it made it noticeably louder for sure. Mine was already straight piped after the stock cat but I figured I'd like a little extra noise. Definitley worth the money, imo.
Maybe I'll just buy another cutout and have it welded in this time for some extra noise. Sucks that I forgot to keep the cutout from the old exhaust, but it was in bad condition though.
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