lol..yeah Edcmat-l1 very knowledgeable (along with others on here)...but..the best is when he tells someone his honest opinion and they get all butt...
That was actually my original post, but I wrote a novel with multiple questions in the post and likely confused everyone. So I separated the threads...
LS3. Straight pipe guttered Cats. 3" Catback. Mafless Tune. LTFT disabled. STFT Only (The tuner did this, I only understood what was happening after...