This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
The biggest restriction to making high power with the M156 engine is the limited flow of the factory exhaust manifolds. Whether you want to make as much power as possible naturally aspirated, or are looking to run Weistec's M156 Stage 2 or a Stage 3 Supercharger Systems, it will be necessary to upgrade to long tube headers.
To make for the best power possible, the headers feature 2" primaries that allow for as much flow out of the cylinder head as possible. The large primaries and proper O2 sensor placement of these headers work extremely well when coupled with Stage 2 and Stage 3 supercharger systems resulting in the best performance and drivability out of all the headers that are currently on the market.
Packaged with the headers are 3" Stainless Steel Midpipes, and a 3" Stainless Steel X Pipe resulting in a bolt on installation that retains the factory resonator and mufflers. When paired with Weistec ECU Upgrade and Weistec High Flow Air Filters, power gains are typically 90+hp at the wheels for naturally aspirated vehicles. These headers are required for Stage 2, and Stage 3 Supercharger Systems to achieve advertised power.
WARNING: Cancer and Reproductive Harm
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