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Thread: FlowMaster Cat-Back Exhaust
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06-08-2008, 09:31 AM #1
- Join Date
- Jul 2005
- Location
- Pacific Beach //San Diego,Ca,U
- Posts
- 908
White with Black Top- 1999/ Z28
FlowMaster Cat-Back Exhaust
Where do I get a new one for a 99Z28 /M6
Rx Bruce99Z28/M6/ 4:10s/Cam (233/233/578/578 113) lsa MMS Aggressor/ AFR (Mongoose) Heads /Pro5 with Lou's Short Stick/Ported LS6 Throttle body/MidLenth Headers /Custom 3" Y-Pipe and various other Mod's
CMS E/Street Tune
437 RWHP/ 398 Torque
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06-08-2008, 10:03 AM #2
i saw one a sponsored site last night when i was looking at parts
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06-08-2008, 02:26 PM #3
http://www.lmperformance.com/2893/1.html
imo there are better systems out there performance/sound wise around the price. check youtube and ls1sounds.com if you haven't. but do what you like sound wise.
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06-08-2008, 02:34 PM #4
I have a 99 z28 m6 and a flowmaster catback. Flowmaster is not a bad brand, but the system for our cars isn't very good. Not only did I hear of that through word of mouth, but a LS1 specialty shop. They also said there are better products out there around the price. I think magnaflow isnt bad and its near the flowmaster..
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06-08-2008, 02:37 PM #5
i just looked at your mods and now i feel like a novice trying to tell an expert what to do haha.. they have them on ebay.. a guys selling a used one right now dirt cheap actually
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06-08-2008, 02:44 PM #6
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06-08-2008, 02:59 PM #7
^ its all opinion. personally i think hooker and loudmouths 1 & 2 sound better.
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06-08-2008, 03:02 PM #8
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06-08-2008, 07:17 PM #9
- Join Date
- May 2008
- Location
- Verdigris, OK
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- 2,165
NBM- 99 z28
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06-08-2008, 07:42 PM #10
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06-08-2008, 07:47 PM #11
- Join Date
- May 2008
- Location
- Verdigris, OK
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- 2,165
NBM- 99 z28
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06-08-2008, 07:56 PM #12
i love the sound of gmmg
Built A4 with B&M Transpak shift kit, Hooker Lt's, 0RY, 4in cutout, Debaffled, K&N, SLP Lid, Bellows, p+p+descreened MAF,TB bypass, 180 degree Theromostat, AC removed, RP Trans fluid, oil, MSD 8.5 wires, Autolite Xtreme perf plugs, Nitto DR
Coming soon SFC, 373 gears, 96mm intake/96mm TB, Tune
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06-09-2008, 03:58 AM #13
- Join Date
- Jul 2005
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- Pacific Beach //San Diego,Ca,U
- Posts
- 908
White with Black Top- 1999/ Z28
Where can I here a sound clip ?
Rx Bruce
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06-09-2008, 05:01 AM #14
I think the FLowmaster catback sounds weak on the LS1s. Nothing at all like my friends old LT1, or Stangs for that matter. Magniflow sounds better imo.
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06-09-2008, 05:13 AM #15
Well you can go to lpperformance or summit
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06-09-2008, 05:40 AM #16
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06-09-2008, 05:40 AM #17
Sound is all a matter of personal preference. On his heads and cam car, the Flowmaster catback will likely sound pretty good (in my opinion). I have a Flowmaster cat-back on my car and it doesn't sound bad at all.....on long trips I simply close the e-cutout and listen to the purr.
There are a number of places to find the cat-back kit...There are several sponsors that carry it as well as Summit Racing.2002 Camaro SS M6, 2.5 PRC 5.3L heads, TFS 228/230 cam, FAST 92, bolt ons + a 10 lb bottle in the back.
1989 Corvette L98, A4, Full bolt ons, etc.
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06-09-2008, 06:11 AM #18
when i had my flowmaster catback, with lt's, cam, and ORY, it sounded like a vibrating tin can at certain RPM's under acceleration. Needless to say, it came off. The catback sounds pretty good on a manifolds car with cats.
Also, the performance isnt really any worse than other catbacks.
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06-10-2008, 07:31 AM #19
- Join Date
- Apr 2006
- Location
- Jeffersonville, Indiana
- Age
- 45
- Posts
- 796
Monterey Maroon Metalic- 2000 Z28
At worst you are probably around 3-4 hp less with Flowmaster (according to Y2KPewter in a similar thread) but if you like the look and sound and you aren't hardcore, trying to get every single hp to the ground, etc. then get the Flowmaster! Do what makes you happy. I would personally recommend the Magnaflow since it sounds great and better yet, it's stainless and won't fall apart in 5 years or so.
LS1sounds.com is a great site to check out different exhaust and cam combinations. Good luck!
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06-10-2008, 07:47 AM #20
didn't you just switch from loudmouth to magnaflow bruce ? what happened didnt like the sound? My girlfriends got a 1 in 2 out flowmaster on her car right now... i wouldnt mind trading for your magnaflow
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