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Catalytic Converter for 1978 Porsche 928

We have 10 Items In-stock. Select your vehicle's Submodel to continue.

Eastern 50-state legal Catalytic Converter

Eastern ECO CARB Catalytic Converter

 30 years of innovation is proof enough that Eastern is the best manufacturer of the finest aftermarket and original equipment catalytic converters on the market. Their ECO Series Catalytic Converters which are designed to help keep the Check Engine Light (MIL) off is another set of catalytic converters with world class quality.

 The Eastern ECO CARB Catalytic Converter is the best option for any vehicle that needs to comply with the California Air Resources Board (CARB) regulations. The Eastern ECO CARB Catalytic Converter features washcoats with greater loadings of precious metals to handle applications with ultra low emissions, higher than normal emissions, as well as vehicles with higher mileage and heavier workloads.

Here's why Eastern ECO CARB Catalytic Converter is the best option:

  •   Passed the emissions requirement of the California Air Resources Board
  •   Engineered with Eastern's proprietary NANO technology yielding highly efficient loadings for lower cost and better converter efficiency
  •   Features an advanced materials design for maximum engine output and performance
  •   Comes with a 5-year or 50,000-mile warranty
Eastern Catalytic Converter, Eastern ECO CARB, Center, 50-State Legal
$194.16 List Price $229.11 Save $34.95 Availability: In Stock
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  • SKU#: EAST861004
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
  • EO Number: D-665-3
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
see more Fits the following 1978 Porsche 928 submodels:
  • 8 Cyl 4.5L | Base

Magnaflow 49-State Legal Semi-Universal Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow Catalytic Converter, Magnaflow 49-State Semi-Universal, 49-State Legal - No CA Shipments, Minor Modifications
$75.88 List Price $98.20 Save $22.32 Availability: In Stock
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  • SKU#: M6694005
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Catalyst Substrate Material: Ceramic honeycomb
  • Dimensions: 12 in. L x 6.5 in. W x 4 in. H, 16 in. overall length
  • EO Number: Not applicable
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
see more Fits the following 1978 Porsche 928 submodels:
  • 8 Cyl 4.5L | Base
Rating: (see review/s)

"this item is a great item to have if you r up grading you rcat great perfomance great sound a must for muscle car lover" posted by: shadow on September 12, 2008

Magnaflow California Legal Semi-Universal Catalytic Converter

  • 50-State/California Legal
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These semi-universal 50-State Legal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow Catalytic Converter, Magnaflow 50-State Semi-Universal, 50-State Legal, Minor Modifications
$178.53 List Price $231.04 Save $52.51 Availability: In Stock
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  • SKU#: M66332006
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • EO Number: D-193-117
  • Notes: Inlet/Outlet Size : 2.5in. I.D.
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
see more Fits the following 1978 Porsche 928 submodels:
  • 8 Cyl 4.5L | Base
Magnaflow Catalytic Converter, Magnaflow 50-State Semi-Universal, 50-State Legal, Minor Modifications
$178.53 List Price $231.04 Save $52.51 Availability: In Stock
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  • SKU#: M66332005
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • EO Number: D-193-117
  • Notes: Inlet/Outlet Size : 2.25in. I.D.
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
see more Fits the following 1978 Porsche 928 submodels:
  • 8 Cyl 4.5L | Base
Magnaflow Catalytic Converter, Magnaflow 50-State Semi-Universal, 50-State Legal, Minor Modifications
$178.53 List Price $231.04 Save $52.51 Availability: In Stock
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  • SKU#: M66332004
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • EO Number: D-193-117
  • Notes: Inlet/Outlet Size : 2in. I.D.
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
see more Fits the following 1978 Porsche 928 submodels:
  • 8 Cyl 4.5L | Base

Davico 49-state legal - no CA shipments Catalytic Converter

Davico Catalytic Converter

When it concerns choosing a solid brand name for your engine/exhaust system's catalytic converter, turn to Davico. Davico's line of original equipment quality replacement catalytic converter is specifically designed to work like the original unit that came installed on your motor vehicle as it was newly driven out from the manufacturing facility, consequently bestowing it with excellent fit and solid overall operation. So that they can reach original equipment quality, each and every Davico OE Replacement Catalytic Converter is crafted within strict standard.

Routine vehicular monitoring is needed for secure or more comfortable ride. Defective parts can either lessen the ride quality or impair the efficiency of your vehicle, leading to any of the following: inefficient gas mileage, inferior efficiency, or greater vulnerability to abrupt motor vehicle or hardware breakdown. Select Davico 49-State Legal (No CA) OE Replacement Catalytic Converter to fix your engine/exhaust system to its optimum shape.

Davico Catalytic Converter, Davico Standard, Center, 49-State Legal - No CA Shipments
$334.87 List Price $840.39 Save $505.52 Availability: In Stock
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  • SKU#: DAV16217
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 37.25 in. overall length
  • Includes: Gasket(s)
  • Warranty: 2-year or 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and welds
see more Fits the following 1978 Porsche 928 submodels:
  • 8 Cyl 4.5L | Base

Walker Catalytic Converter 49-State Legal

Walker catalytic converters feature OE style design and fit, thicker OE-quality flanges, oxygen sensor fittings, heat-shielded pipe, and structural brace for enhanced strength and durability.

Features:

  • Higher loaded substrate
  • Can be bolted in easily


Note:

  • 49-state legal
Walker Catalytic Converter, Center, 49-State Legal - No CA Shipments, Minor Modifications
$62.36 List Price $152.72 Save $90.36 Availability: In Stock
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  • SKU#: WK15037
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: Same day - 1 business day
  • Dimensions: 13.25 in. overall length
  • Warranty: 5-year or 50,000-mile Walker limited warranty
Fits the following 1978 Porsche 928 submodels:
  • 8 Cyl 4.5L | Base

More results for 1978 Porsche 928 Catalytic Converter

WALKER 50-STATE LEGAL CATALYTIC CONVERTER

Walker catalytic converters feature OE style design and fit, thicker OE-quality flanges, oxygen sensor fittings, heat-shielded pipe, and structural brace for enhanced strength and... (see more)

BENCHMARK 49-STATE LEGAL (NO CA) OE REPLACEMENT CATALYTIC CONVERTER

Benchmark catalytic converters are considered to be the industry's standard replacement catalytic converter. They are the recognized leading catalytic converters in terms of fitment and durability.... (see more)