FRPP X PIPE

Texas Ted

New Member
Apr 2, 2009
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I have a 06 GT with a C&L cai,BBK shorty headers and Flowmasters with a SCTX3 tunner.(tuned by Evolution Performance) Since then I added a FRPP X pipe. After I did this my car idles rough at stop lights and bogs down a little when accelerating. Is this because loss of back presure? Do I need to get my SCT retuned?