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SVT Shelby GT500
Who's stock cats are surviving a TVS/Whipple/KB?
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<blockquote data-quote="nrmustang" data-source="post: 14909243" data-attributes="member: 34986"><p>That's exactly what I was wondering. And that's what I want. But in emailing my tuner back and forth, it doesn't sound like it's that easy.</p><p></p><p>I spoke to him yesterday, and he suggested dyno tuning with the O/R pipe on. And every two years swapping in the stock pipe, but staying out of boost until I can smog it. That's what I did with my Terminator he tuned, but I had a Magnaflow high flow cat-pipe. So keeping the rear 02's on was ok. So without him clearly telling me that he's going to keep the rear 02's on in the tune, I'm assuming that's what he's going to do. Otherwise, how would that tune pass smog?</p><p></p><p>So he's making me feel more comfortable about going O/R, but I still won't be able to actually <em>run</em> the stock mid pipe if I wanted to.</p><p></p><p>So this brings me to my next point. I have the Flowmaster Force II axle back system that I really do like. Nice and throaty, little to no drone. And after 12+ muscle cars and a muscle truck (Dakota R/T) :burnout: over the years, that's what I want. I bought a Lethal O/R H, and want to swap it out before the dyno tune, and drive it around for a while to see if i'll be ok with the sound/possible drone. I know i'll get a check engine light, but will it hurt the motor if I run it like that for a couple weeks?</p></blockquote><p></p>
[QUOTE="nrmustang, post: 14909243, member: 34986"] That's exactly what I was wondering. And that's what I want. But in emailing my tuner back and forth, it doesn't sound like it's that easy. I spoke to him yesterday, and he suggested dyno tuning with the O/R pipe on. And every two years swapping in the stock pipe, but staying out of boost until I can smog it. That's what I did with my Terminator he tuned, but I had a Magnaflow high flow cat-pipe. So keeping the rear 02's on was ok. So without him clearly telling me that he's going to keep the rear 02's on in the tune, I'm assuming that's what he's going to do. Otherwise, how would that tune pass smog? So he's making me feel more comfortable about going O/R, but I still won't be able to actually [I]run[/I] the stock mid pipe if I wanted to. So this brings me to my next point. I have the Flowmaster Force II axle back system that I really do like. Nice and throaty, little to no drone. And after 12+ muscle cars and a muscle truck (Dakota R/T) :burnout: over the years, that's what I want. I bought a Lethal O/R H, and want to swap it out before the dyno tune, and drive it around for a while to see if i'll be ok with the sound/possible drone. I know i'll get a check engine light, but will it hurt the motor if I run it like that for a couple weeks? [/QUOTE]
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Who's stock cats are surviving a TVS/Whipple/KB?
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