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Magnaflow Cat-Back Exhaust System 2012-13 Chevy Impala 3.6L

642-15197

Magnaflow

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Cat-Back Exhaust System 2012-13 Chevy Impala 3.6L
Cat-Back Exhaust System
  • 2012-13 Chevy Impala 3.6L
  • 2.5" Stainless Steel Tubing
  • 4" Polished Stainless Steel Tips
  • Dual Split Rear Exit
  • 5 x 8 x 14" Muffler
  • Street Series
    • Currently unavailable.
    This product is not available, please call customer service for options, at 1-800-345-4545.
    15197 is rated 4.0 out of 5 by 1.
    Rated 4 out of 5 by from Nice Upgrade, But Pricey Installed this on a 2016 Impala Limited LTZ. First, Jegs was great to deal with. Fast shipping and well packaged. This is a nice system. All the components look great as to fit and finish. All necessary premium clamps come with for installation. Follow the instructions! You will need to cut the factory system off behind the converter (instructions show you exactly where). I used AutoZone's tool loaner program for a chain style pipe cutter and it worked great. Definitely keep all components loose until you have everything properly lined up. After having run about 2000 miles now since installation, I can definitely say I picked up between 1 1/2 and 2 MPG with this exhaust. I drive about 500 miles a week to and from work on the same route and I track my mileage very closely. As to performance, the claimed 11 HP increase is really only about a 3% boost. Hey, every little bit helps but I can't say that seat-of-the-pants you are going to feel the increased HP. As to sound, louder than I thought it would be. Sounds good, very deep. You would never know it was a V-6 from the exhaust tone. It is just slightly louder than I envisioned it would be. As the engine lugs down under slight loads it is very noticeable inside the car. Only con - price. I planned this upgrade as the first mod I am making to this car. Others will be intake upgrades and performance tuning. To really benefit from those mods however, you really have to get a free flowing exhaust first. To me, this purchase was worth it. Happy with the increased MPG, but I would not have spent this amount of money just for that.
    Date published: 2017-01-28
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    Some parts are not legal for use in California or other states with similar laws / regulations

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