DEI EGR Cover 11-1/2in x 4.5in - Hook and Loop Closure DesignProtect Corvette C4 L98 (1985 1991) EGR systems and nearby under hood components from damaging heat with the proper EGR Pipe Cover. DEI's sewn in hook & loop edges makes for a quick and straightforward replacement without removing the EGR pipe. Just wrap the cover around EGR pipe and close edges. Trim off any excess material if necessary. It's that easy. High temp glass fiber fabric bonded to aluminized outer facing Handles direct heat up to 500F and