Dyno Don Heads and Y pipe
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Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: Dyno Don Heads and Y pipe
I think Don mostly copied the design when SLP stopped making them. should be easy enough to install
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Z03Z28 (05-13-2020)
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Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Dyno Don Heads and Y pipe
{I thought he retired}
I did from everything except building headers and Y-pipes
I did from everything except building headers and Y-pipes
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89formula350b2l (06-17-2020), CKone (06-19-2020)
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