Flowmaster 40 Series Delta Flow Muffler 2-1/2" Offset Inlet / Offset Outlet 1994-2003 - S14 S15 All Cast elbows have a

All Cast elbows have a 3mm (1/8") wall thickness

It will self-adjust flow according to the oil temperature to maintain a constant operating oil temperature just like a coolant thermostat would operate

Genuine Nissan Part Number: 13270-65F00 - 13271-65F00Includes the spark plug well seals

Mounting brackets either side

Flowmaster 40 Series Delta Flow Muffler 2-1/2" Offset Inlet / Offset Outlet 1994-2003 - S14 S15 All Cast elbows have a3 4 Day Lead time This two chamber design incorporates Flowmaster's patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Muffler Features: Body Height: 4. 00" Body Length: 13. 00" Body Width: 9. 75"