zachm89 Posted March 19, 2011 Report Share Posted March 19, 2011 (edited) Took these back off my truck when i put the Procharger on, figure someone else could use them. Theyre the magnaflow hi flow "spun" cats, part number 59959 from magnaflow. Have around 5k miles or so on them so still practically new and in great shape. $100 + the ride for both of them. Edited March 19, 2011 by zachm89 (see edit history) Quote Link to comment Share on other sites More sharing options...
Ruben525 Posted March 19, 2011 Report Share Posted March 19, 2011 What are high flows good for? Can I use them with long tubes and get around smog out here in Cali? Quote Link to comment Share on other sites More sharing options...
zachm89 Posted March 19, 2011 Author Report Share Posted March 19, 2011 well the cats are Cali legal but idk about the long tubes...i think thats a fail right off the bat out there but then again i have no idea. my truck easily passes inspection in texas with long tubes and no cats, then again we dont have emissions testing in my county and the shop i go to for my inspection doesnt even do a visual on my exhaust Quote Link to comment Share on other sites More sharing options...
NebraSSka truck Posted March 19, 2011 Report Share Posted March 19, 2011 I haven't delt with relpacing catalytic converters before. Are these direct replacements for the existing cats as far as fitment is concerned? Will I need to modify anything to put these in? Quote Link to comment Share on other sites More sharing options...
zachm89 Posted March 19, 2011 Author Report Share Posted March 19, 2011 I haven't delt with relpacing catalytic converters before. Are these direct replacements for the existing cats as far as fitment is concerned? Will I need to modify anything to put these in? No they aren't a direct replacement, they are 3" in/out and are really meant more for if you're running longtubes. I'm sure you could get them to work with the factory manifolds and mid pipes but it'd take a little more work. Quote Link to comment Share on other sites More sharing options...
zachm89 Posted March 21, 2011 Author Report Share Posted March 21, 2011 bump Quote Link to comment Share on other sites More sharing options...
Bad Dad Posted March 22, 2011 Report Share Posted March 22, 2011 bump Can you mail them to me in Seward,Alaska 99664 via USPS? Let me know, Tony [email protected] Quote Link to comment Share on other sites More sharing options...
zachm89 Posted April 2, 2011 Author Report Share Posted April 2, 2011 SOLD! Quote Link to comment Share on other sites More sharing options...
keSSel_runner Posted February 22, 2013 Report Share Posted February 22, 2013 Wondering if anybody could help me, just ordered these cats 59959, but just noticed that they are pre obd2, will they work fine in an 03ss? Going on with pacesetter longtubes and a tune. Quote Link to comment Share on other sites More sharing options...
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