MagnaFlow 00-05 Chevy Impala/Monte Carlo V6 3.4L/3.8L Dual Rear Exit Stainless Cat-Back Perf ExhaustThe MagnaFlow Street Series Cat Back Performance Exhaust System 16729 brings out the personality of your 3. 4L, 3. 8L 2000 2005 Chevrolet with our signature resonant, powerful engine tone and dyno proven performance. Thanks to its fast flowing, mandrel bent 2. 5in. main piping and 3 Straight Through mufflers ending in a Dual Split Rear exit with 3. 5in. Polished Welded On Double Wall Angle Cut Folded Edge tips, this Chevrolet exhaust kit has the