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Thread: Dual Exhaust

  1. #1
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    Default Dual Exhaust

    I purchaced a 1987 Cougar 5.0L . It came with single Exhaust,..I want to put on duals...Anybody done this on your 87 88 Cougar.??

  2. #2
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    Throw some stock Fox Mustang headers on it, a Fox Mustang H Pipe, then have the rest added at the muffler shop. The H-Pipe and headers are a simple bolt on, but the mid pipes and tail pipes are different from a Mustang.
    '88 Sport--T-5,HURST shifter,TMoss GT-40 intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,70mm t-body,3G,mini starter,Taurus fan,BBK headers,O/R H-Pipe, Flowamaster 40's, deep and deeper Cobra R wheels,Mass Air, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

  3. #3
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    +1... Stock mustang headers can be found cheap.
    87 Tbird LX w/Factory floor shifter 3G upgrade. Tinted Windows...85 Mustang GT steering wheel(non-cruise) 17'' Saleen SC style wheels,Front/Rear TC sway bars/poly bushings & Mustang GT steering rack...'05 Mustang V6 springs...93 Cobra MC & booster, MM adjustable C/C plates, Work In Progress....... ( On The Shelf---HO computer, 19lb injectors, HO cam, BBK headers, Explorer Intake, Cold Air Intake ,Phantom Gauges, Stinger stainless exhaust pipes )

  4. #4
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    Or, if you're only interested in the look, you can get the 88 v8 cat-back, for what is essentially a single exhaust with 2 mufflers and tails.
    1988 Thunderbird 5.0
    GT40P, TFS-1, KB domes, 30#, MAF conversion, Explorer GT40 Upper/Lower, Smog delete, Wide Ratio AOD Mod, Unlocked Speedo, 3G Charging System Upgrade, Hi-Torque Mini Starter, 3.73 LSD, BBK 1 5/8 unequal headers, H-Pipe.

    88 Thunderbird/Cougar EVTM
    (Thanks to Trinom for hosting)

  5. #5
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    Thanks......I want full duals....will see what I can find next week....

  6. #6
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    It bears mentioning that the HO headers and H-Pipe setup will require HO oxygen sensors, or 8 inch(?) extensions; as in that setup, the O2s are in the H-Pipe and not the manifolds/headers.
    1988 Thunderbird 5.0
    GT40P, TFS-1, KB domes, 30#, MAF conversion, Explorer GT40 Upper/Lower, Smog delete, Wide Ratio AOD Mod, Unlocked Speedo, 3G Charging System Upgrade, Hi-Torque Mini Starter, 3.73 LSD, BBK 1 5/8 unequal headers, H-Pipe.

    88 Thunderbird/Cougar EVTM
    (Thanks to Trinom for hosting)

  7. #7
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    You can also lengthen the car's oxygen sensor harness (that's what I did). Be sure to solder the wires and not use a crimp connector.

    DO NOT lengthen the oxygen sensor wires themselves. You'll ruin the oxygen sensor that way.
    '88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, Edelbrock 70mm TB, 76mm C&L MAF, 30lb injectors, 2.5" exhaust, AOD with 2800 PI converter, 8.8 with 3.73 gears, 31 spline Traction-Lok, 31 spline Moser axles, 04 Cobra front arms, Maximum Motorsports extreme duty rear arms, subframes.
    '11 Focus, '12 Mustang 3.7, '17 Accord EX-L V6

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