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If the Nissan Frontier Exhaust Manifold has cracked, we have the Nissan OE replacement Exhaust Manifold's at discount prices. We recommend changing all the exhaust studs on the Frontier when replacing the manifold.
If your Nissan Frontier muffler is worn out, use only OEM quality replacement mufflers. DriveWire carries hundreds of high quality Nissan Frontier mufflers that carry a lifetime warranty.