I need some 2 1/4" into 4" collectors.....Summit has them for $65.99 each....or $132 plus shipping....... http://www.summitracing.com/parts/DTC-783-71240/

SPD gets $185 each or $370/pair plus shipping.....Here's what they told me about them;

Quote:

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We build all our Slip-on Formed Collectors(SFC) on the same fixture as our Merge Collectors.

This way, collector inlets are true and parallel and have a positive seal seat; are interchangeable and/or upgradeable to a Merge Collector.

ALL our collectors are TIG welded ONLY.

Most others are MIG welded as in a high production shop......

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What would you do?????