Description

1965-1966 GMC I1500

& 8 cylinder engines) with points

2000 / 4800 RPM

User configurable display via buttons on the gauge face for changing AFR values

these full length headers provide an exact fit and increased performance

Flowmaster 70 Series Big Block II Muffler - 3" Center Inlet/Outlet HSXSM11SAS 1965-1966 GMC I1500The 70 series utilizes Flowmaster's patented Delta Flow technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, tow vehicles and high performance street cars where space allows. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Stock to Mild Exterior Exhaust

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Flowmaster 70 Series Big Block II Muffler - 3" Center Inlet/Outlet HSXSM11SAS 1965-1966 GMC I1500

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