thinking about getting high flow cats , but have some questions - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

mikeSS · 07-22-2010, 07:45 AM

i am going for sound over gains... right now i have a corsa cat back. an K&N CAI... i was looking at jba high flow cats...only 391 pretty good deal.

how much louder will my car be? . and will a tune be needed?
should i get a handheld tuner... can they put my car back to stock if needed with out leaving a foot print

right now i am warranty safe.

but even if the new cats will not throw a code i am worried that i might need my warranty one day and they will give me a hard time for the cats...

will it be fine to just put the stock cats back on if i need to. i will have a shop put them on and off btw... i know this will cost allot of money but in the long run its worth keeping my warranty.

Inferno2SS · 07-22-2010, 07:54 AM

I recently installed the JBA high flow cats on my car. I have the stock exhaust and can tell you when I punch it is at least twice as loud as it was, sounds awesome to me. I would imagine it would be much louder with a cat back system.

No you dont need a tune, that is the best reason for going with HF cats over LT headers. The gains are not as good but you still get solid gains for $400 imo. I know they did a before and after of the Solo HF cats and the car picked up 23 HP. I would bet 15-20 HP is realistic expectations.

Yes, you can easily put the stock Cats back on, it is a bolt on so that wont be an issue.

No codes on at least 10 to 20 of us that have done them already.

I dont think warranty would be an issue but technically ANY mod could void the warranty but I think its unlikely they could prove that HF cats caused the malfunction. JMO

07-22-2010, 07:45 AM	#1
mikeSS Drives: 2015 c7 Join Date: Nov 2009 Location: MI Posts: 7,462	thinking about getting high flow cats , but have some questions i am going for sound over gains... right now i have a corsa cat back. an K&N CAI... i was looking at jba high flow cats...only 391 pretty good deal. how much louder will my car be? . and will a tune be needed? should i get a handheld tuner... can they put my car back to stock if needed with out leaving a foot print right now i am warranty safe. but even if the new cats will not throw a code i am worried that i might need my warranty one day and they will give me a hard time for the cats... will it be fine to just put the stock cats back on if i need to. i will have a shop put them on and off btw... i know this will cost allot of money but in the long run its worth keeping my warranty.

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07-22-2010, 07:54 AM	#2
Inferno2SS Drives: 2010 IOM 2SS/RS Join Date: Feb 2010 Location: Westminster, CO Posts: 797 View My Garage	I recently installed the JBA high flow cats on my car. I have the stock exhaust and can tell you when I punch it is at least twice as loud as it was, sounds awesome to me. I would imagine it would be much louder with a cat back system. No you dont need a tune, that is the best reason for going with HF cats over LT headers. The gains are not as good but you still get solid gains for $400 imo. I know they did a before and after of the Solo HF cats and the car picked up 23 HP. I would bet 15-20 HP is realistic expectations. Yes, you can easily put the stock Cats back on, it is a bolt on so that wont be an issue. No codes on at least 10 to 20 of us that have done them already. I dont think warranty would be an issue but technically ANY mod could void the warranty but I think its unlikely they could prove that HF cats caused the malfunction. JMO