Join Date: Feb 2017
Location: Casa Grande, AZ
not sure if i got lucky, but I installed a catless DP on my 17 ES and didn't get any codes.
Well most of the pre-built downpipes have an extension welded on for the O2 so that it doesn't.
'17 Galactic Gray 6MT Base | Lap3 Tuned | SCCA Solo STH
Kia OEM B&M SS w/SXTH Alum Bush | N-Line Mounts | GFB Mach 2
SXTH Dual OCC, FMIC | Straight Midpipe | JUN B.L. Axleback | VelossaTech BM
KDM Tuners Slotted Rotors, Stainless Lines | Porterfield R4-S
YSR Coilovers (8k/6k) | Pierce 4-point Tie Bar, ES-ONE Strut Bar | SXTH 22mm RR Sway
XXR 527 18x8 +45 | Firestone Firehawk Indy 500 245/40