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  • Straight pipe or High flow cat

    like the title says...is there any differnce between the 2? cuz my stock cat it hollowed out but has a crack in it so im gonna b replacing it soon. Id figure the cheapest route to go is just gettin a pipe and have it put up there instead of buyin a high flow cat


    87 Firebird RIP
    96 Camaro RS RIP
    94 Patriot Red 1LE Z28 - Sold
    02 WS6 TA - Sold

  • #2
    Re: Straight pipe or High flow cat

    just do a straight pipe it should quiet down the exhaust a little bit though.

    current car- 95 Trans am- bolt ons, parked and collecting dust. why? because **** it

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    • #3
      Re: Straight pipe or High flow cat

      I had my cat out for about 5 mins... turned around and got it put back on... I hated it.. soudned retarded... but i have borla exhaust.. might be diff with flows..
      Read my liscenceplate Frame Corvettenet.com<br /><br />2000 Y87 Pewter A4<br />MODS:Tuned,3.73, SLP CAI, K&N offroad aircharger intake,Custom Plexi-glass Ram Air Box, Red Caliper ,Stage 2 Jet PCM, 3 inch Borla XR-1 Catback,ZR1 Rims Kuhmo 712s,MSD 8.5 SC wires

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      • #4
        Re: Straight pipe or High flow cat

        Originally posted by vanbibber
        just do a straight pipe it should quiet down the exhaust a little bit though.
        no that will do just the other it will make it louder and more raspy keep the cat. a good highflow does not slow the flow that much u might lose 1 mabey 2 rwh

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        • #5
          Re: Straight pipe or High flow cat

          you should expect more rasp with a straight pipe compared to a high flow cat.
          2000 3.8 A4 Pewter Camaro

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          • #6
            Re: Straight pipe or High flow cat

            Originally posted by SilverRS96
            like the title says...is there any differnce between the 2? cuz my stock cat it hollowed out but has a crack in it so im gonna b replacing it soon. Id figure the cheapest route to go is just gettin a pipe and have it put up there instead of buyin a high flow cat
            cheapest easiest option: just patch the small crack by welding it,

            Originally posted by vanbibber
            just do a straight pipe it should quiet down the exhaust a little bit though.
            can I PLEASE PLEASE have some of what youre smoking???


            my high-flow cat is half-way hollowed. So I dont totally loose all my bottom end torque/hp. The restriction in my exhaust is the $hitmaster muffler.
            2k2 camaro, K&N, SLP whisper lid, Konis, AEM, HP Tuners, Angel eyes/Halos, CF SS ram air hood, 4.10s, Zexel Torsen, UMI SFCs, CrossFire, BFGs, Gatorback, Catco, Flows, and TLC! DONT feed the Trolls!

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            • #7
              Re: Straight pipe or High flow cat

              Originally posted by slow6
              cheapest easiest option: just patch the small crack by welding it,



              can I PLEASE PLEASE have some of what youre smoking???


              my high-flow cat is half-way hollowed. So I dont totally loose all my bottom end torque/hp. The restriction in my exhaust is the $hitmaster muffler.
              Can you please tell me what YOURE smoking??

              First of all taking a perfectly good high flow cat and smashing a hole through it is just retarted. Secondly the less restriction you have the more your torque moves up in the power band and away from your bottom end (if it even affects it at all).On that note that flowmaster is the only thing you have left giveing you bottom end power.

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