Exhaust Manifolds
for your 1991 International Harvester 3700
Exhaust manifolds are related to the combustion system in your International Harvester 3700 and are an essential part of the exhaust system. Their job is to clear engine cylinders of exhaust gases after every combustion cycle. StockWise Auto makes exhaust manifold repairs and upgrades easy, thanks to complete kits and specific exhaust system parts.
Exhaust manifolds help your International Harvester 3700 engine detect oxygen levels in combustion and measure performance. This delivers smooth acceleration, excellent fuel economy and dependable operation. If part of the exhaust manifold is leaking or cracked, it throws this balance off and leads to loss of power, loud noises and excessive fuel consumption. Replacing damaged parts with OEM-quality components is the best way to fix problems.