FS: Flowmaster 80 Series Crossflow Muffler 42583 in Placerville, CA
Thread Starter
Junior Member
iTrader: (1)
Joined: May 2010
Posts: 21
Likes: 0
From: Placerville, CA USA
Car: 94 Z28
Engine: 5.7 LT1
Transmission: 4L60E
Axle/Gears: 3.42
FS: Flowmaster 80 Series Crossflow Muffler 42583 in Placerville, CA
Hi Third gen'rs! Been a while since I posted here, My nephew sold his 91 Z28 to get a bike .... Kids I tell ya!
I'm posting this here because i would rather not ship,,, but, i will as long as the buyer pays for it ....
I'm Selling my Flowmaster 80 Series Crossflow Muffler 42583. Fits 3rd and 4th gen F-bodys. If your looking for an aggressive sounding Muff, this is the one.
Asking $80, and can deliver at Sac Raceway on a Wed night, or the next Grudge Aug 17, or meet up. I am flexible. Call or text me @ 530-903-8540
Inlet and Outlets are 2.5"
Muffler was on my 94 Z28 for aprox 2.5 yrs, 10k miles. Was new when i installed it.
For those of you who have seen my car, you know it is a clean Survivor car, always parked in my garage, so the muff is in excellent used condition overall. Car rarely sees wet weather.

I replaced it because it was a bit too loud for my tastes. I had a Magnaflow sitting on my shelf and swapped it in. As far as Drag racing, can't tell a bit of difference in performance, so don't believe the rumors Flowmasters hurt performance. Not true. My Time slips prove it. They just have a bad assed sound if that is what your after. If you want a less aggressive sound, this is not the muff for you. Go Magnaflow or Dynamax.
It's this one:
http://www.summitracing.com/parts/FLO-42583






I'm posting this here because i would rather not ship,,, but, i will as long as the buyer pays for it ....
I'm Selling my Flowmaster 80 Series Crossflow Muffler 42583. Fits 3rd and 4th gen F-bodys. If your looking for an aggressive sounding Muff, this is the one.
Asking $80, and can deliver at Sac Raceway on a Wed night, or the next Grudge Aug 17, or meet up. I am flexible. Call or text me @ 530-903-8540
Inlet and Outlets are 2.5"
Muffler was on my 94 Z28 for aprox 2.5 yrs, 10k miles. Was new when i installed it.
For those of you who have seen my car, you know it is a clean Survivor car, always parked in my garage, so the muff is in excellent used condition overall. Car rarely sees wet weather.

I replaced it because it was a bit too loud for my tastes. I had a Magnaflow sitting on my shelf and swapped it in. As far as Drag racing, can't tell a bit of difference in performance, so don't believe the rumors Flowmasters hurt performance. Not true. My Time slips prove it. They just have a bad assed sound if that is what your after. If you want a less aggressive sound, this is not the muff for you. Go Magnaflow or Dynamax.
It's this one:
http://www.summitracing.com/parts/FLO-42583






Last edited by uNkleStv; Jul 31, 2013 at 11:34 AM.
Supreme Member
iTrader: (2)
Joined: Sep 2003
Posts: 10,494
Likes: 3
From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
Re: FS: Flowmaster 80 Series Crossflow Muffler 42583 in Placerville, CA
Good to hear your doing well Steve. Good luck with the sale and hopefully I will see you out at the racetracks again soon.
Thread Starter
Junior Member
iTrader: (1)
Joined: May 2010
Posts: 21
Likes: 0
From: Placerville, CA USA
Car: 94 Z28
Engine: 5.7 LT1
Transmission: 4L60E
Axle/Gears: 3.42
Re: FS: Flowmaster 80 Series Crossflow Muffler 42583 in Placerville, CA
Thanks Trav. My brother Ry, (STEWARDORNG), still has his 2002 Formula, so we both go out whenever we can to race. Cya out there some time! Kev goes every now and again, and he does really well still in Dad's 'Bird
Supreme Member
iTrader: (25)
Joined: Feb 2006
Posts: 7,260
Likes: 5
From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: FS: Flowmaster 80 Series Crossflow Muffler 42583 in Placerville, CA
Hey hey uncle steve good to see ya. good luck on the sale. i nearly miss the sound of my old flowmaster but now i go from mild to wild with the press of a switch so i dont need that all the time aggressiveness. catch ya at the track soon
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