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i dont really want to waste money on getting HIGH FLOW CATS. can i just get some regular high flow cats and have them cut the old ones out then weld the new ones in? would this be stupid and cost the same as just buying the 450 dollar set??? and were could i find some high flow cats at? thanks
 

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We highly recommend against purchasing some high flow cats and having them welded in due to the complexity of the exhaust pipes, the proximity of the bungs and the angles that the cats and entry pipes need to be at. You will probably end up spending around $200+ for the high grade catalytic converters that in the end may or may not be suitable for your Charger, plus another $200+ for the custom welding. In the end it probably won't be any cheaper and with the welding that is irreversable, if you're unhappy with the welded results or if things don't work out as well as you had hoped, you're stuck.

Our prices for the 5.7L JBA catted pipes are $409.95 + $19.95
Our prices for the 6.1L Magnaflow catted pipes are $375.00, shipped.

Thanks!
Joshua, HHP
 

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Assuming there's no mis-threaded factory O2 sensors, your cost is $500.00 installed for the 5.7L sets and $465 for the 6.1L sets if no other work is being completed at the same time.

Thanks!
Joshua, HHP
 

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Assuming there's no mis-threaded factory O2 sensors, your cost is $500.00 installed for the 5.7L sets and $465 for the 6.1L sets if no other work is being completed at the same time.

Thanks!
Joshua, HHP
Just to make sure there are no misunderstandings Josh...I assume both prices include the mids/hiflow cats and labor...;)
 

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"Our prices for the 5.7L JBA catted pipes are $409.95 + $19.95."
Do you guys stock these and doesn't Magnaflow make a high flow cat for the 5.7 or is that only part of your guys kit SKU: HHP-2966SYC?

thanks
Brian
 

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aren't there a bunch of LT headers out there that come with the midpipe and high flow cats..... might be cheaper than doing them seperately, if that's where you're headed with your exhaust in the future.
 

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true thanks.
 

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will installing hi flow cats cause any problems passing maryland emissions standards?
It shouldn't.... just make sure you get ones that are 50 state legal... which most of them are.
 

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ok, stupid question time, what are the real benifits fo high flow cats?
 

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It shouldn't.... just make sure you get ones that are 50 state legal... which most of them are.
There are no 50 state legal high flow catalytic converters.. they're illegal in CA..
 

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There are no 50 state legal high flow catalytic converters.. they're illegal in CA..
really? news to me..... well I guess just make sure you get the 49 state legal types.... LOL
 

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make sure you leave the O2 sensor bungs installed for the computer....goodluck......What about back pressure????
 

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http://images.magnaflow.com/05news/magazine/pdf/catalytic.pdf


that pdf file is an article from magnaflow on catalytic converters, high flow vs stock, etc....also the design styles of catalytic conveters.

its a decent read for any of you thinking about upgrading.

make sure you leave the O2 sensor bungs installed for the computer....goodluck......What about back pressure????
usually when you upgrade you should have less.... backpressure will never fully be eliminated, but the ideal goal is to have as little as possible, but you are searching for high exhaust velocity. backpressure = torque is an old hot rodders myth.


g'luck with it all.
 
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