[TX] Original Hypertech chip 5.7 auto part # 121321

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Old Aug 7, 2025 | 05:37 PM
  #1  
topduarte's Avatar
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From: Pflugerville, Texas
Car: 92 Heritage Camaro Z28
Engine: 350 TPI
Transmission: auto
Axle/Gears: 3.23 Limited Slip
Original Hypertech chip 5.7 auto part # 121321

SOLD.

Price drop.

Brought this about a year ago but decided to stay stock.
Original Hypertech chip from 1991 part # 121321. Never used.

$60 shipped CONUS. I take USPS money order or PayPal as friends and family.

Feel free to pm me here or text me at 512 947-5537 or email me with any questions or if you need more pics.

Thanks Manny


Last edited by topduarte; Dec 21, 2025 at 07:07 PM.
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Old Oct 15, 2025 | 08:47 PM
  #2  
topduarte's Avatar
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Joined: May 2001
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From: Pflugerville, Texas
Car: 92 Heritage Camaro Z28
Engine: 350 TPI
Transmission: auto
Axle/Gears: 3.23 Limited Slip
Re: Original Hypertech chip 5.7 auto part # 121321

Price drop bump
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Old Dec 5, 2025 | 09:16 PM
  #3  
topduarte's Avatar
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Supreme Member
25 Year Member
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iTrader: (10)
 
Joined: May 2001
Posts: 1,431
Likes: 505
From: Pflugerville, Texas
Car: 92 Heritage Camaro Z28
Engine: 350 TPI
Transmission: auto
Axle/Gears: 3.23 Limited Slip
Re: Original Hypertech chip 5.7 auto part # 121321

Bump
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Old Dec 21, 2025 | 04:49 PM
  #4  
Thirdgen4me2's Avatar
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Joined: Feb 2024
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Car: 91 Z28 / 86 Iroc
Engine: L98 / TPI 305
Transmission: 700r4 / 700r4
Axle/Gears: 3.23 / 2.77?
Re: Original Hypertech chip 5.7 auto part # 121321

I’ll take it. Ill send you a pm
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Old Jan 5, 2026 | 12:59 PM
  #5  
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Joined: Feb 2024
Posts: 30
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Car: 91 Z28 / 86 Iroc
Engine: L98 / TPI 305
Transmission: 700r4 / 700r4
Axle/Gears: 3.23 / 2.77?
Re: Original Hypertech chip 5.7 auto part # 121321

i dont know how to comment in the itrader rankings for this transaction so I will here. Topduarte was very responsive and despite the holidays packaged, shipped and followed up on everything promptly. It was a first class transaction experience. Thanks again Manny!🫡
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