The V3 alternator heat shield utilizes a slim design, yet still provides the added protection you seek. Designed with boosted applications in mind, but works great for N/A as well. Fits OEM exhaust manifolds and all after market header options including the 2J Racing Medusa V1 & V2. Clears both 2.5" and 3" turbo downpipes. Slotted mounting hole allows you to adjust the clearance needed for your specific application.
*will only mount to the alternator using an unmodified/unshaved alternator bracket*
Fits 02-06 Sentra SER, SPEC V and Altima 2.5. Also fit 2nd gen QR25 swaps in the B15