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  1. #1
    From 2JZ to V8 juiceboxx's Avatar
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    Best Cat-Back System?

    Hi. I im in the process of buying an intake/exhaust for my LS1. I was thinking of going with SLP Intake or K&N Intake and SLP or Bolra for exhaust. What are the best in each category? I live in California, so Catback is a must.

  2. #2
    Senior Member SeVeReDiStOrTiOn's Avatar
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    Roseville, CA
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    8,164

    05 Wrangler
    00 Z28 sold :-(

    Depends on what you want...any intake lid will do, they're all pretty much the same. Here's a link to check out the diff sounds of the catbacks...with and w/o mods. http://ls1sounds.com/

  3. #3
    AnToN
    Guest
    what r the emissions in cali? i live there and i want to get longtubes but run cats. will i still pass the inspection?

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
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    Thornton, CO
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    23,773

    Red Tint Jewelcoat
    2008 Trailblazer SS

    I personally recommend the Magnaflow catback.

    Not too expensive, flows well, and sounds great IMO.

  5. #5
    Member SKULLZ's Avatar
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    Colorado
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    Black
    1999 Z28 Camaro

    I had the same problem here in Colorado, I asked the emissons guy, he said all he cares about is that I have all the emissions fittings and cats, ask the emissons people there, the only thing that matters is if the exhaust is clean enough

  6. #6
    Senior Member mrr23's Avatar
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    orlando, fl
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    black
    2014 camaro 2ss/rs

    the bassani tru-duals will make more power than the borla. the bassani hooks to the factory 00-02 cats and goes over the axle to exit out the rear. so, that shuld meet all california requirements. here's the dyno i did comparing the borla and the bassani. pics of the system can be seen on my websites. just click the links in my sig.

    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes, drilled/slotted rotors, ZL1addons Stealth wickerbill, Ruxifey LED side markers

  7. #7
    2 is better than 1!!! noblesramair's Avatar
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    Illinois
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    sunset orange
    2002 pontiac trans am WS6

    I personally recommend the Magnaflow catback.

    Not too expensive, flows well, and sounds great IMO.
    Yep, i second this, i have a magnaflow on my trans am and i love it!

  8. #8
    member since may 2000 nhraformula's Avatar
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    n/w chicago
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    black
    2000 nhra edition formula

    im a fan of the hooker exhaust.

    long tubes in cali will fail.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  9. #9
    Boosted Foolz
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    BlAcK
    1998 FiReBiRd FoRmUlA

    i have loudmouth exhaust, if ur not doing headers or cats, loudmouth would be a good option...

  10. #10
    Junior Member
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    i am a smog technician here in california and yes long tubes are not legal in ca...pm and ill let u know more details..

  11. #11
    Boosted Foolz
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    BlAcK
    1998 FiReBiRd FoRmUlA

    ^^^ man that sux, and i hate NYS for making me have a front plate in my car...

  12. #12
    Junior Member
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    Waco, Tx
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    Pewter
    1999 Camaro Z28

    I am pretty fond of my Borla. I like it cause with the long tubes it sounds bad ass and then if ne and the old lady have to take a road trip in my car I can cap it off and sound almost stock. Then she wont bitch too much!
    99 pewter Z28 M6, SS hood, 10 spokes, Brembo rotors, lid, K&N, Ripper, CAGS, Pacesetter LT's, Borla, TSP ORY-pipe, O2 simulators, STB, SFC's, free mods. Cant forget about my hot fiance in the passenger seat!

  13. #13
    Awaiting Activation mondi2002's Avatar
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    CLARENCE, NY
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    14

    RED
    2002 TRANS AM

    LOVE my Magnaflow!

  14. #14
    Junior Member Vette LS-1's Avatar
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    Silver
    1999 Corvette

    I enjoy the Corsa exhaust, its well made and has a raw exhaust tone.

  15. #15
    Madeche Vision...soon The Scientist's Avatar
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    NBM
    '98 Ram Air Formula

    but is the corsa as quiet as they claim it to be while cruising at 75-80 on the interstate doing anywhere from 2500-3000 rpms???

  16. #16
    Junior Member Vette LS-1's Avatar
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    Silver
    1999 Corvette

    honestly, ive only had the car a few weeks, but it is fairly quiet on the Highway. but sounds great at WOT and in btw shifts.

  17. #17
    Member jd2002ss's Avatar
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    Clinton Twp. , Mich.
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    Black
    2002 ss Convertible

    GMMG...ya maybe it's expensive but....

  18. #18
    Junior Member
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    White
    stolen by "Josh Steel"

    you shouldn't be doing 3k RPM on the freeway unless you are hauling

  19. #19
    Member
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    Kooks headers on with off road pipe. My SLP loudmouth was to loud and the sound was BAD real BAD. Had a Magnaflow installed sounds a hole lot better but which it was a tad louder at idle.

  20. #20
    Madeche Vision...soon The Scientist's Avatar
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    NBM
    '98 Ram Air Formula

    Quote Originally Posted by ryan_gilson
    you shouldn't be doing 3k RPM on the freeway unless you are hauling
    Tell me if I am right A4 with 3.42 gearing runs:
    75 mph = ~2500 rpms
    90 mph = ~3000 rpms
    When the speed limit is 75 I will be doing somewhere between these two. Generally closer to 75.

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