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  • How will this effect exhaust sound?

    I am planning on getting a Borla exhaust system for my f-body and I would like to get a new high flow cat in addition to the exhaust. If I were to get a carsound/magnaflow catalytic converter, would it make the sound of my exhaust higher or lower? Also, what size cat would I need to get? Thanks in advance for any help!

  • #2
    i put a high flow cat on mine and now it sounds almost like an 8! i didnt notice much of a hp increase, and you will probably need a 2 1/2in cat unless you are gettin 3in. pipes on your exhaust
    2000 Navy Blue T-top Camaro A4<br />TSP Rumbler <br />Carsound Hi-flo Cat<br />!MAF screen<br />Whisper lid<br />HPP3

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    • #3
      Don't forget, 3" ANYTHING tends to be rather expensive.
      MODS:<br />3.4,Crower cam, K-motion valvesprings, Heddman Longtubes, BBK AFPR, Accel Coil, 36mm/23mm Sways, Boxed LCAs/Panhard bar, Mutant Nitrous wet kit, Mr. Gasket Cutout, 10.02 1/8 mile at 67.2 mph UNTUNNED no spray

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      • #4
        louder sound for sure. probly deeper as well. bigger cat's will flow more for top-end and make it louder. If u have an automatic, don't worry about the low-end loss of power. once u get a higher stall TC, u won't need that part of the powerband neways.
        2001 Arctic White Firebird<br />More mods than I\'m allowed to list!

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