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catalytic converter

  1. Intake & Exhaust
    I recently sold my old challenger and bought a modified 2015 R/T Shaker with 6-speed manual. The previous owner made a bunch of "cool stuff" to it, and according to him, this vehicle has 500+ crank horses. That includes a set of long tube headers and complete straight pipe (no cats). Now, even...
  2. Parts For Sale/Wanted/Trade
    Kooks mid pipes with high flow catalytic converters I had them on my 2015 Challenger for a week. Went with mid pipes with no catalytic converter instead. $700.00 Will ship on your dime.
  3. Intake & Exhaust
    This is my first post and I’m not the most knowledgeable car guy, so please bear with me. I have a 2013 Challenger R/T Automatic. I had the Flowmaster American Thunder Catback system installed when I purchased it 5 years ago. I began noticing a rattling sound under the vehicle last month...
  4. Parts For Sale/Wanted/Trade
    Early Spring Cleaning SALE!!! I have the following for sale: 1 - used 6.1 Hemi Crankshaft (less than 10k miles) 2 - used 6.1 Hemi Cam shafts (less than 10k miles) 2 - used 6.1 Hemi Exhaust manifolds 2 - used 6.1 Hemi Catalytic Converters (down pipes with cats - Oxy sensors removed) Interested...
  5. Intake & Exhaust
    Flowmaster's line of premium quality Catalytic Converters covers a wide range of vehicle applications in both Direct-fit and Universal styles. Using proprietary precious metal formulas and the latest in wash coat application technology, Flowmaster Catalytic Converters are engineered to meet or...
  6. Flowmaster Exhaust Products
    Flowmaster's line of premium quality Catalytic Converters covers a wide range of vehicle applications in both Direct-fit and Universal styles. Using proprietary precious metal formulas and the latest in wash coat application technology, Flowmaster Catalytic Converters are engineered to meet or...
  7. New Member Introductions
    I have a 2014 Challenger RT, 5.7 HEMI. I've added the Mopar cold air intake, and for the exhaust, cat-bak, Flow master 40. I'm using the stock exhaust, simply replaced the mufflers with flow master 40's and removed the resonators at the end, replacing with just straight pipes. I also have the...
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