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Thread: Removed the final two cats today

  1. #1
    Registered User V8weight's Avatar
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    Removed the final two cats today

    The fact that I had neglected to remove the main cats on my downpipes has kind of been eating at me since gutting the pre-cats last summer. I decided to cut them out of there today, and holy crap what a difference. I wasn't anticipating such a drastic increase in noise, the thing sounds down right wicked. Luckily I was able to just cut the main cats out, gut them, then weld them back in place without dropping the motor and removing the downpipes all over again.
    Pat - Eisenmann race exhaust, Catless downpipes, KW V3's, H-Sport sways, 034 Control arms, Apikol diff mount, Sterns motor mounts, Forge dv's, Stainless brake lines, Venair hoses, Sportec vent mod, Euro tails, Viper Tuned ecu/tcu, DPE S20's 19x9.5, 275/30/19's

  2. #2
    Registered User 4everRS's Avatar
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    Sounds great Pat
    Avus Silver RS6 - Viper Stage 2 ECU/TCU - Water/Meth Injection - Frozen Rotors - Hbars - clear corners - Hella smoked tails - gutted precats

  3. #3
    Registered User hahnmgh63's Avatar
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    Sounds awsome. I think I'm going for the more relaxed Pre-cat removal this spring though, maybe do the pre-cats on the New for me Cayenne too. The Cayenne's pre-cats look bigger but a whol lot more room under there to get at. I just drove it 2945 miles from Wilmington DE, to my place in Roy, WA in 3 days. A great ride, 500Bhp in a SUV is a lot of power.
    2003 White RS6 2013 Midnight Blue S5
    2013 Daytona RS5 2x944 Turbo's 1974 911 w/'91 3.6ltr motor
    Roy, WA

  4. #4
    Registered User Elevens's Avatar
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    Welcome to the Zero Cat Club. Beautiful, aint it. Every time you step on the gas, you hear nothing but Turbo's spooling up. Absolutely Marvelous......
    03 RS6, VIPER ECU, MTM TCU, Milltek Full Catless Non Res setup from Turbos to the boxes(ROAR'S), H&R Coilovers, Hotchkiss ARB's, 19x10's with 275-30-19 PSS's at each corner, Kenwood 9960 Head unit, V1 Radar Locator. 517 Trans Rebuild, ScrollProducts Turbo Rebuild.

  5. #5
    Registered User JSRS6's Avatar
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    ...and then he gets out and walks away all cool like...
    Avus RS 6, RNS-E/BT/RVC, Eurocharged/MTM, SuperSports, PSS9/Hotchkis, SS Lines/EBC Reds, FMU/BMC, Sportec vents, 007's, 9500ci, Black Optics/Headlights/Trim/Rims, CC; coming soon: stage 3 snow meth

  6. #6
    Registered User MaxRS6's Avatar
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    Made for Hollywood Chaos- Sounds great!
    210K miles rolled

  7. #7
    Registered User V8weight's Avatar
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    Quote Originally Posted by Elevens View Post
    Welcome to the Zero Cat Club. Beautiful, aint it. Every time you step on the gas, you hear nothing but Turbo's spooling up. Absolutely Marvelous......
    To be honest, the first time that I've heard the turbo's was in the video. While driving I can't hear them over the exhaust roar.
    Pat - Eisenmann race exhaust, Catless downpipes, KW V3's, H-Sport sways, 034 Control arms, Apikol diff mount, Sterns motor mounts, Forge dv's, Stainless brake lines, Venair hoses, Sportec vent mod, Euro tails, Viper Tuned ecu/tcu, DPE S20's 19x9.5, 275/30/19's

  8. #8
    Registered User Aronis's Avatar
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    No emisions testing in your state?

  9. #9
    Registered User V8weight's Avatar
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    Quote Originally Posted by Aronis View Post
    No emisions testing in your state?
    Nope..........We ran out of money for that in 2001.
    Pat - Eisenmann race exhaust, Catless downpipes, KW V3's, H-Sport sways, 034 Control arms, Apikol diff mount, Sterns motor mounts, Forge dv's, Stainless brake lines, Venair hoses, Sportec vent mod, Euro tails, Viper Tuned ecu/tcu, DPE S20's 19x9.5, 275/30/19's

  10. #10
    Registered User MaxRS6's Avatar
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    It was the school teachers wasn't it????
    210K miles rolled

  11. #11
    Registered User V8weight's Avatar
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    Quote Originally Posted by MaxRS6 View Post
    It was the school teachers wasn't it????
    Think of the children!!! LOL. This the only situation where their uncontrollable spending has had any benefit to me.
    Pat - Eisenmann race exhaust, Catless downpipes, KW V3's, H-Sport sways, 034 Control arms, Apikol diff mount, Sterns motor mounts, Forge dv's, Stainless brake lines, Venair hoses, Sportec vent mod, Euro tails, Viper Tuned ecu/tcu, DPE S20's 19x9.5, 275/30/19's

  12. #12
    Registered User Elevens's Avatar
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    Quote Originally Posted by V8weight View Post
    To be honest, the first time that I've heard the turbo's was in the video. While driving I can't hear them over the exhaust roar.

    As a matter of fact the Catless Milltek Downpipes mated with the Milltek Non Res Exhaust system is not that bad. Very Strong sounding but not annoyingly Loud, and I am able to hear my Turbo's spooling up very easily. Sounds like a jet getting ready to take off.......
    03 RS6, VIPER ECU, MTM TCU, Milltek Full Catless Non Res setup from Turbos to the boxes(ROAR'S), H&R Coilovers, Hotchkiss ARB's, 19x10's with 275-30-19 PSS's at each corner, Kenwood 9960 Head unit, V1 Radar Locator. 517 Trans Rebuild, ScrollProducts Turbo Rebuild.

  13. #13
    Registered User V8weight's Avatar
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    Quote Originally Posted by Elevens View Post
    As a matter of fact the Catless Milltek Downpipes mated with the Milltek Non Res Exhaust system is not that bad. Very Strong sounding but not annoyingly Loud, and I am able to hear my Turbo's spooling up very easily. Sounds like a jet getting ready to take off.......
    Yeah, from what I've heard on other cars, despite still retaining the factory resonators, my Eisenmann exhaust seems to be louder than the Milltek non resonated. Go figure.
    Pat - Eisenmann race exhaust, Catless downpipes, KW V3's, H-Sport sways, 034 Control arms, Apikol diff mount, Sterns motor mounts, Forge dv's, Stainless brake lines, Venair hoses, Sportec vent mod, Euro tails, Viper Tuned ecu/tcu, DPE S20's 19x9.5, 275/30/19's

  14. #14
    Registered User speedtrapped's Avatar
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    Pat that exhaust is def more beastly sounding, honestly I prefer that to mine, I had the gutted DP mated to millteks, sounded food but easy to hear spool...yours is a little more throaty and I luv it.
    Ebony/Black, DBR Stage 3 race kit, -SOLD :( 996TT Proto 650 basically a sardine can with a rocket attached to the back...11' CTS-V, 540/579RWP hehehehe ;)

  15. #15
    Registered User JSRS6's Avatar
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    Quote Originally Posted by speedtrapped View Post
    Pat that exhaust is def more beastly sounding, honestly I prefer that to mine, I had the gutted DP mated to millteks, sounded food but easy to hear spool...yours is a little more throaty and I luv it.
    I wish my exhaust sounded that food...lol. I'm looking at the 18th for the dyno day btw.
    Avus RS 6, RNS-E/BT/RVC, Eurocharged/MTM, SuperSports, PSS9/Hotchkis, SS Lines/EBC Reds, FMU/BMC, Sportec vents, 007's, 9500ci, Black Optics/Headlights/Trim/Rims, CC; coming soon: stage 3 snow meth

  16. #16
    Registered User speedtrapped's Avatar
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    Damn Ipad instant spell....
    Ebony/Black, DBR Stage 3 race kit, -SOLD :( 996TT Proto 650 basically a sardine can with a rocket attached to the back...11' CTS-V, 540/579RWP hehehehe ;)

  17. #17
    Registered User PALETTE's Avatar
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    Sounds good! I have to say it sounds very muscle car no real import whine to it thank god! Should turn some heads around your area LOL
    2004 Black/Black,EPL Tune *** 0-60 in 3.5 seconds SOLD :( - - 2002 TT Porsche 724WHP 10.43@139mph/ Motor build in progress. looking for 9's

  18. #18
    Registered User vitalian's Avatar
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    Positively beastly! Love it!

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