North American Turbocoupe Organization

still a beginner asking silly questions
kevcoheat Offline
i am wanting to do 3" exhaust in my 86 with t3 turbo
were can i get a downpipe all i hear is that the ones from ATR don't work with the t3,
and when i get it will i have to modify anything? i live in an area were i have to have a cat. so i am not sure what to buy. i am going to get ATR's 3" setup with a high-flow cat but the downpipe is what seems to be the problem. and the wastegat in my 86 (don't laugh please. lol) am i going to have to replace it with an external to do this?

Chad88TC Offline
You can get a 3" downpipe from Sacremento-Mustang. Some of the guys on here run them with no prblems. You can get a long one to delete the cat, or a short one and fab it up to your converter.
'88 Black, K&N on VAM, Holset HY35, ported E6, 2.5" single cat-back w/dynomax muffler, gillis, RR cam, TA cam gear, Bosch BPV, Stock IC, Walbro 255HP, Kirban AFPR

kevcoheat Offline
not sure i understand which one to get i see three for the svo
one for 1984-85
one for 1985 1/2 - 86

Chuck W Offline
Posting Freak
You'll want the one for the later SVOs...

Any connection between your reality and mine is purely coincidental..
83 TC Clone, 87 Ranger (soon to be 2.3T), 84 XR7, 80 XR7, 86 XR4
NATO Member
83 TC Clone, 80 Cougar XR-7, 85 Volvo 244 Turbo, AND 88 Scorpio

RDOG Offline
Posting Freak
There is a guy named stinger who makes a nice one for around $80. I got my high flow cat on ebay for only $50 shipped. Type in Catco catalytic converter.
1986 Turbo Coupe. Boport StageIII head, Boport 2.1, Performance Techniques 50 trim hybird, StageII.63, stinger 3" exhaust, Phenolic spacer, Boglog header,NPR FMIC intercooler setup, kirban fpr, bigrmotorsports fuel rail, diablo water meth kit, CAI, remote mount TFI, CHE rear adj control arms, MAC girdle, 8.8 rear disc, aluminum drive shaft, H&R lowerings springs Tbird Turbo Specific, y MAS!!

Glenn 88TC Offline
Posting Freak
ATR makes 2 DP's for the t3. ONe uses the external WG and the other uses the internal. Both eliminate the exhaust elbow.

Internal WG DP(for the svo t3 upgrade)

ext. WG DP isn't pictured but they still make it and it will fit the TC. They list it for the SVO.

mods: SDS Digital Fuel Injection, ported & polished big valve head(1.89/1.59), Solid lifters, Esslinger roller cam #2277, Esslinger adj. cam pulley, custom upper and ported lower intakes, 60-1 stage III .63 turbo, powerstroke intercooler, 60mm throttle body, 75pph injectors, Walboro 255HP pump, Kirban adj. fuel reg., ATR header, 3" exhaust with Dynomax Ultraflow muffler, MSD 6al, MSD coil, MSD Launch Control, MSD 8.5mm wires, K&N filter, Spec stage III clutch, Greddy Profec B boost controller, Weld Draglites with M/T ET Street 26x11.5/15

[This message has been edited by Glenn 88TC (edited 06-19-2004).]
NO TC and NO headaches.

Jeff K Offline
Neither of the SVO DPs are a direct fit to the TC.... mods are required on either one.

Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 21 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized

rarebird83 Offline
Junior Member
i got the obsolete setup from walker, it is only 2.5, but it made a big difference, and came with the highflow cat already attached for 91.00 i know it is not 3" but it works great, and replaces the pipe from the 2 bolt flange at the elbow to the 2 bolt flange at the muffler

(walker = dynomax)
performance exhaust from the 86 dynomax catalog

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