Borla cat-back exhaust system.

EXCEPT Convertible. System includes a merge X-Pipe for increased performance and improved sound. It is recommended for use with Long Tube Headers. It does NOT include Dual Mode or AFM valves. On vehicles equipped with factory AFM valves a check engine light will be activated. Does NOT fit vehicles with Ground Effects Package (GFX). Borla® Cat-Back™ & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla® Sound of Power respected by motoring enthusiasts everywhere. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

A cat-back system replaces everything behind the catalytic converter and leaves emissions equipment in place.