ARH Cadillac CTS V 2016 & Up Full System 2017-infiniti-q50-sport-esi8386250 Primary sizes available are 1-7/8"

Primary sizes available are 1-7/8" or 2" with 3" collectors followed by a 3" X-pipe system that extends back to the factory (or aftermarket) axleback mufflers

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If retaining your current exhaust system is a must our short system is the system you've been looking for

CAG2LS-70134300HR

Available as a full system in 1-7/8" and 2"

ARH Cadillac CTS V 2016 & Up Full System 2017-infiniti-q50-sport-esi8386250 Primary sizes available are 1-7/8"CTSV 16178300FSNC Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut flanges for a warp free seal Hand ported TIG welded inlets Optimized primary tube routing for superior fit and performance Merge collectors with scavenger spikes Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability A. R. H. has what you need to exhaust the