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Has anyone in our world done a stand alone Cat Mod and seen a measurable difference ? I see vendor reference of 3 - 6 hp I don’t think it would be noticeable other than maybe some sound enhancements. Thinking maybe some throttle response that could feel like horsepower in everyday driving. Thinking of doing this on a base model vs a tune. I can reverse the install for warranty. Please chime in
 
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You'll notice more turbo sound without too much "boxer rumble". Throttle response will be increased, as will power slightly. The high gains we've seen on the dyno are peak power gains of 14 whp and 24 ft-lbs of torque. All in all it won't be as impressive as the tune power-wise, but as far as hardware goes it's your best mod. If and when you do decide to get a tune, the higher flowing cat will be more beneficial then as well. If you have any questions or need forum pricing on our Sport Cat Downpipe, let me know!

-Mike
 

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I did the full Fabspeed catted exhaust and BMC air filter and can feel the difference at the higher rpms, no eng light.

Tune will come in the near future
 

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You'll notice more turbo sound without too much "boxer rumble". Throttle response will be increased, as will power slightly. The high gains we've seen on the dyno are peak power gains of 14 whp and 24 ft-lbs of torque. All in all it won't be as impressive as the tune power-wise, but as far as hardware goes it's your best mod. If and when you do decide to get a tune, the higher flowing cat will be more beneficial then as well. If you have any questions or need forum pricing on our Sport Cat Downpipe, let me know!

-Mike
Mike, been just doing a lot of reading here in the forums but do you have any input on keeping the PSE in place and just swapping in your catless or catted pipe? have you gotten any feedback on both setups? can a Vibrant o2 spacer help prevent CEL with your catless dp? appreciate any feed back...thanks!
 
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Mike, been just doing a lot of reading here in the forums but do you have any input on keeping the PSE in place and just swapping in your catless or catted pipe? have you gotten any feedback on both setups? can a Vibrant o2 spacer help prevent CEL with your catless dp? appreciate any feed back...thanks!
Changing the downpipe is the primary exhaust change most of my customers do. Some people are not willing to modify an emissions device (or can't - California residents) and do the rear. O2 spacers won't prevent a check engine light on these cars and we highly recommend a tune as some customers have experienced boost spiking with a catless downpipe and no tune. Our Sport Cat Downpipe is our top 718 seller as it's bolt in enjoyment without a CEL.

If you've had a B18 turbo Integra, you'd like enjoy the experience of the catless downpipe and ECU tune as it's a very mean and fun setup - if you're OK with the ramifications of a catless device. Volume level is great, very little if any drone which I thought was surprising.


Sport Cat Downpipe is more civil and you could almost be convinced it was OEM. There is no drone and the volume increase is very mild. You'll be able to hear the turbo more clearly.


-Mike
 
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