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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Exhaust and Cutouts Discussion [GEN 1]
Supercharged Cat Delete
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<blockquote data-quote="MTF" data-source="post: 1806549" data-attributes="member: 499"><p>[USER=28338]@Bodhi[/USER]</p><p></p><p>Once a cat breaks and starts to collapse, it can block the flow and seriously damage the engine,</p><p>especially when Supercharged!!!</p><p>You will need a revised Tune from Whipple to turn off the rear O2's, if you don't want to see the wrench light.</p><p>And best to do a data log, so you do not run into a lean condition.</p><p>I don't think Whipple charges full price for a Tune revision, give them a call see what the options are.</p><p></p><p>Having said that, if it were me, I would replace the cats!!!</p><p>It's your call, if you're really going to do a Livernois build in the next few months cut the cats out.</p><p>Buy a cheap muffler and a turn down, just keep in mind, it's going to be really loud!!!</p><p>But if you're going to wait a while or things in life change and you can't, replace the cat.</p><p></p><p>As a daily driver the Whipple needs a little back pressure,</p><p>to properly maintain the values that the PCM and Tune needs to correctly predict the next move.</p><p>Now, while having no cats does give more torque (40 to 60 ft-lbs.) and a little more HP (20+)</p><p>And that's it's basically only at WOT and that's with headers.</p><p>I'm running full stock exhaust and getting 561 rwhp without any issues.</p></blockquote><p></p>
[QUOTE="MTF, post: 1806549, member: 499"] [USER=28338]@Bodhi[/USER] Once a cat breaks and starts to collapse, it can block the flow and seriously damage the engine, especially when Supercharged!!! You will need a revised Tune from Whipple to turn off the rear O2's, if you don't want to see the wrench light. And best to do a data log, so you do not run into a lean condition. I don't think Whipple charges full price for a Tune revision, give them a call see what the options are. Having said that, if it were me, I would replace the cats!!! It's your call, if you're really going to do a Livernois build in the next few months cut the cats out. Buy a cheap muffler and a turn down, just keep in mind, it's going to be really loud!!! But if you're going to wait a while or things in life change and you can't, replace the cat. As a daily driver the Whipple needs a little back pressure, to properly maintain the values that the PCM and Tune needs to correctly predict the next move. Now, while having no cats does give more torque (40 to 60 ft-lbs.) and a little more HP (20+) And that's it's basically only at WOT and that's with headers. I'm running full stock exhaust and getting 561 rwhp without any issues. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Exhaust and Cutouts Discussion [GEN 1]
Supercharged Cat Delete
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