Picking the Right G37 Sedan Long Tube Headers
If you're looking to squeeze every last drop of performance out of your VQ37VHR, getting some g37 sedan long tube headers is probably the single biggest hardware change you can make before you start looking at forced induction. Let's be real, the factory exhaust manifolds on the G37 are pretty much designed to keep the car quiet and emissions-compliant, not to help the engine breathe. They're these heavy, cast-iron lumps that dump straight into restrictive catalytic converters. By swapping those out for long tubes, you're essentially letting your engine exhale without having to fight through a straw. ...