North American Turbocoupe Organization

3 inch down pipe
88lxr4ti Offline
Junior Member
Since I have the T3 turbos would Sacramento Mustangs 3" DP for the '84 SVO fit my cars?
I have an '83 TC,an'86 TC,an'84 XR-7,and a Mustang.
Also since the XR-7 has a ported exhaust manifold and a .36 turbine housing,would the addition of a 3"DP mean near instant boost and lil' to no lag at all.

Pete D Offline
The SM 86 SVO DP will bolt right up to the T-3 exhaust elbow. Note; I think most of us using the S-M DP use the 86 SVO one, not the 84 version. On the 87-88 it just takes a slight elongation of the flange holes to work. All SVOs were T-3. On the outlet end of the SM DP, I can't promise you it will fit without some kind of Mod to the DP, your current exhaust sys or both. Your 2 TCs probably have 2.5" DPs now, if stock.
I would assume the XR-7 is the same. With at least a 2.5" single cat back and hi flow cat if needed the XR-7 should spool real quick.

NATO Member
88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS. Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges.140 mph Motorsports Speedo New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 255 HP pump and Kirban adj FPR, T-3. Centerforce II, KB subs and jack rails.
Pete Dunham


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