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This post is intended to determine what level of interest there would be out there for high flow / performance metallic Magnaflow converters for either or both '82 to '89 spiders and for '75 to '81 spiders.
These would be bolt-on with flanges, direct-fit catalytic converters; made with stainless steel tubing and mandrel bends.
The metallic converter itself would provide a good compromise between high flow to meet performance objectives and effective emissions reduction to pass smog checks.
Current ceramic substrate Magnaflow cats provide flow rates in the range of 400 plus cfm (cubic feet per minute); new Magnaflow metallic substrate cats reach a range above 600 cfm.
Considering that flow rates of high performance alfa nord engines reach about 125 cfm per cylinder (see Jim K.; Sperry 5; Dan Marvin; Schwitters; .....); that is about 500 cfm with all cylinders combined.
So, if you would be interested in either of these two products; please voice your comments here.
These would be bolt-on with flanges, direct-fit catalytic converters; made with stainless steel tubing and mandrel bends.
The metallic converter itself would provide a good compromise between high flow to meet performance objectives and effective emissions reduction to pass smog checks.
Current ceramic substrate Magnaflow cats provide flow rates in the range of 400 plus cfm (cubic feet per minute); new Magnaflow metallic substrate cats reach a range above 600 cfm.
Considering that flow rates of high performance alfa nord engines reach about 125 cfm per cylinder (see Jim K.; Sperry 5; Dan Marvin; Schwitters; .....); that is about 500 cfm with all cylinders combined.
So, if you would be interested in either of these two products; please voice your comments here.