What Should I Expect To Gain With BBK 1-5/8 Equal Shortys & Off Road H-Pipe???
 

I Have Had My BBK Headers Hanging On The Wall In My Shed, And Can Get An Off Road H Pipe (Not Sure Weather 2.5" Or 2.25", But Will Find Out) For $50.

What Can I Expect To Gain In Terms Of 1/4 Time? Last Run Was A 14.6@94, Can I Expect A 14.3@96???

Thanks

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1988 Mustang GT, T-5
3.08's, No Smog Pump (Shorty Belt), Dynomax 2.5" Super Turbo Cat-Back, K&N Air Filter (Stock Air Box), Removed Air Silencer
14.691 @ 94.7 With A 2.24 60ft.

1988 Mustang GT

I went from the stock H-pipe with four converters, to an off road X-pipe and knocked off 6 tenths!!! but keep in mind that I installed underdrive pullies at the same time.



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88 mustang gt convertible bored to 306 BBk equal length headers, mac cold air fender kit, 3.73 FMS gears, Steeds Tri-ax shifter, Steeda underdrive pullies, Custom off road X-pipe, 2 chamber flow masters, cowl hood, nitto drag radials, ford racing clutch, 160* thermostat 16 degrees of timing electric fan off 94' t-bird jacobs electronics cap and wires. Edelbrock 1 1/2 inch drop springs. (Best E.T. 14.79@93mph @3000ft)