Exhaust Fitting Kits

- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Exhaust heat exchanger fitting kit. Includes studs and nuts made out of titanium.
These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.
Fits:
Porsche 911 1965-83
This kit is comprised of the following items:

- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Mounting kit for heat exchanger.
Fits:
Porsche 911 E/S (mech. injection) 2.4ltr / 2.7ltr - 08/1971 to 07/1976
Porsche 911 T (not mech. injection) 2.0ltr / 2.4ltr - 01/1963 to 07/1973
Porsche 911 / 911S / 911 Carrera 2.7ltr - 08/1973 to 07/1975
Kit includes:
3 x heat exchanger gaskets
1 x rear silencer gasket
2 x M10 silencer bolt
2 x M10 silencer nut
3 x M8 heat exchanger nut
3 x M8 beat exchanger barrel nut
1 x M6 nut
1 x M6 washer, nuts & bolts
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FITTINGKIT30
The product you are viewing cross references to these numbers
This kit is comprised of the following items:

- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC

Fits:
Porsche 911 E/S (mech. injection) 2.3L-2.7L 08/1971-07/1976
Porsche 911 T (not mech.injection) 2.0L-2.4L 01/1963-07/1973
Porsche 911/911S/911 Carrera 2.7L 08/1973-07/1975
Kit included:
4 gaskets, nuts & bolts
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91011KIT
The product you are viewing cross references to these numbers



Exhaust Fitting Kits for Porsche | Complete Installation & Repair Solutions
The exhaust fitting kit is an essential component of any exhaust installation, replacement, or upgrade. It ensures that all joints, clamps, seals, and brackets in your Porsche’s exhaust system are correctly aligned and securely fastened, preventing leaks and maintaining proper exhaust flow.
At Design911, we supply a wide range of exhaust fitting kits designed to match Porsche exhaust systems with manufacturer-level accuracy. Each kit includes high-quality gaskets, clamps, bolts, nuts, seals, and mounting hardware, ensuring a professional, leak-free fit — whether you’re restoring a classic 911 or maintaining a modern performance model.
Our fitting kits are manufactured to exact tolerances from corrosion-resistant materials, guaranteeing a long-lasting seal and reliable performance under high-temperature, high-pressure conditions.
What Do Exhaust Fitting Kits Do?
An exhaust fitting kit provides the components required to properly install, secure, or replace sections of your Porsche’s exhaust system. These parts ensure stability, prevent vibration, and maintain airtight joints for optimum exhaust efficiency.
Core Functions:
- Seals
exhaust joints to prevent gas leaks and noise.
- Secures
exhaust components such as pipes, silencers, and catalytic converters.
- Reduces
vibration and movement caused by engine motion.
- Ensures
proper exhaust alignment for optimal flow and pressure balance.
- Maintains performance and compliance with emissions standards.
Using a dedicated Porsche exhaust fitting kit ensures your system functions exactly as intended — improving both performance and reliability.
Why Do Exhaust Fitting Components Fail?
Due to constant exposure to heat, vibration, and corrosive exhaust gases, fitting components are prone to wear over time.
Common Causes of Failure Include:
- Rust
and corrosion from road salt or moisture.
- Thermal
fatigue from repeated heating and cooling cycles.
- Loose
fittings causing leaks or rattles.
- Worn
seals or gaskets leading to reduced exhaust pressure.
- Cracked or weakened clamps and bolts from prolonged vibration.
A failing fitting kit can lead to loud exhaust noise, loss of performance, emission leaks, or even component misalignment. Replacing these parts is essential for safety, efficiency, and sound quality.
Why Replace or Upgrade Your Exhaust Fitting Kit?
Replacing old or damaged fitting components with precision-engineered replacements ensures your Porsche’s exhaust system performs at its best.
Key Benefits:
- Restores proper exhaust sealing and flow.
- Reduces exhaust leaks and unwanted noise.
- Improves durability and vibration resistance.
- Crafted from high-grade stainless steel and heat-resistant materials.
- Compatible with standard and performance exhaust systems.
- Direct-fit design for Porsche 911, Cayman, Boxster, Panamera, Macan and more.
Whether installing a new exhaust system or carrying out maintenance, using a complete fitting kit guarantees a professional finish and long-lasting results.
Highlights:
- Complete exhaust fitting kits for Porsche models.
- Includes clamps, bolts, gaskets, and seals for perfect alignment.
- Designed for precision fitment and long-term reliability.
- Prevents leaks and optimises exhaust pressure balance.
- Ideal for exhaust upgrades, repairs, and restorations.
- Manufactured from corrosion- and heat-resistant materials.