Dansk SSI Sport Exhaust Set with Heat Exchangers, Single 70 mm Tailpipe, Dual Inlets | Porsche 911 Carrera 3.2 1984–1989 (No Cat) | Dansk 92.296SSI (JP-9904-0)
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Dansk SSI Sport Exhaust Set with Heat Exchangers, Single 70 mm Tailpipe — Porsche 911 Carrera 3.2 1984–1989 (JP-9904-0)
Short answer: JP Group / Dansk JP-9904-0 is a complete stainless sport exhaust for the Porsche 911 Carrera 3.2 (1984–1989, production 08/83–07/89) without a catalytic converter and with heat. It combines SSI heat exchangers (Ø41 mm tubes, Ø60 mm outlet) with a dual-inlet sport muffler and one Ø70 mm tailpipe. Dansk reference 92.296SSI, JP Group ref 1620802610. Sold as a set.
Fitment
| Years | Vehicle | Notes |
|---|---|---|
| 1984–1989 | Porsche 911 Carrera 3.2 (Coupe, Targa, Cabriolet, Speedster) | Without catalytic converter, with heater, per EMPI |
| 1984–1989 | Porsche 911 Carrera 3.2 US / catalyst cars | Not as listed — EMPI specifies without catalytic converter; check local emissions rules and O2 sensor needs |
| 1974–1983 | Porsche 911 2.7 / 3.0 / SC | Does not fit — see our Dansk SSI sets for 1965–1983 (JP-2640-0 / JP-2642-0) |
| 1975–1989 | Porsche 930 Turbo | Does not fit |
| 1989+ | Porsche 964 | Does not fit |
Specifications
| Spec | Value |
|---|---|
| Part number | JP Group JP-9904-0 |
| Dansk reference | 92.296SSI (EMPI lists this in the OE field; not a Porsche number) |
| JP Group reference | 1620802610 |
| UPC | 707924581294 |
| Heat exchangers | SSI stainless, Ø41 mm OD tubes, Ø60 mm outlet |
| Muffler | Sport, dual inlets |
| Tailpipe | One Ø70 mm |
| Material | Stainless steel (SSI / Dansk; retailers describe AISI 304) |
| Sold as | Set |
| Shipping weight | 36.6 lb (EMPI) |
| Package | 37.75 x 9.375 x 26 in (EMPI) — ships oversize |
What's Included
- SSI stainless heat exchanger pair (left and right) with Ø41 mm tubes
- Dansk sport rear muffler with dual inlets and single Ø70 mm tailpipe
- Connecting parts as supplied by JP Group for the set
Not Included
- Exhaust port gaskets, flange nuts and clamps
- Catalytic converter
- Engine tin, heater hoses or heater blower parts
Why It Matters
Original Carrera 3.2 heat exchangers are mild steel. After decades they rust through, leak exhaust into the heater air (a real carbon monoxide risk in the cabin), and choke flow. Factory replacements are expensive, and most aftermarket heat exchangers sacrifice heat for power. SSI heat exchangers are the well-known stainless upgrade that keeps a working heater while freeing up flow from the larger Ø41 mm tubes. With the Dansk dual-inlet sport muffler you get a stronger flat-six sound and a single Ø70 mm tailpipe that suits the classic G-body look. It is a one-time fix that should outlast the car. For the factory-style single-outlet version see our Dansk 92.299S set (JP-2641-0).
Installation Notes
- Soak exhaust studs with penetrating oil for a few days before removal; broken studs in the heads are common on 3.2s.
- Use new exhaust port gaskets and new copper or brass flange nuts.
- Hang the heat exchangers loosely, fit the muffler, then tighten from the heads rearwards so nothing is pre-loaded.
- Reconnect heater hoses and check that the heater flaps and cables work through their full range.
- Run the engine and check for leaks, then re-torque after the first heat cycles. Use the factory manual for torque values. Local emissions laws apply — EMPI states parts are legal only on pre-pollution-controlled vehicles.
Frequently Asked Questions
Does it fit my 1986 Carrera 3.2?
Yes, EMPI lists 1984–1989 911 3.2 without catalytic converter and with heater.
My US car has a catalytic converter. Will it work?
EMPI lists this set for cars without a catalytic converter. Check your local emissions rules and ask us before ordering.
Do I keep cabin heat?
Yes. The set uses SSI heat exchangers, and EMPI lists it for cars with heater.
Is 92.296SSI a Porsche OE number?
No. It is the Dansk reference. The JP Group ref is 1620802610.
What is the difference from JP-2641-0?
JP-2641-0 (92.299S) is the OEM-style single-outlet set. This JP-9904-0 is the sport set with a dual-inlet muffler and Ø70 mm tailpipe.
What else do I need?
Exhaust gaskets, flange nuts and, often, new exhaust studs.
Is it new?
Yes, new Dansk / SSI via EMPI. Photos coming soon.
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Porsche Exhaust & Heat Exchangers Porsche 911 / 912 Parts Exhaust Systems & Components
California Prop 65 Warning: This product can expose you to chemicals including lead and/or lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. Legal for use on pre-pollution-controlled vehicles only.
