Not worth it, IMO. Stock air box is good up to 500+ish hp.
2018 GMC l5p ccsb stone blue metallic. Mcgaughy's 2" drop shackles. Truxedo tonneau cover. 20% tint. B&W turnover ball hitch. N Fab running boards, Duraflaps, Rhino lined bed
Traded:05 lly ccsb 205k miles, built trans and supporting mods
Traded:09 LMM CCLB Bone stock, fully loaded. 86xxx miles.