May 5 2007, 01:30 AM
QUOTE(jasondotcom @ May 5 2007, 12:18 AM)
So, im driving a MyVi automatic 1.3litres. With stock pipes, exhaust manifold, mid box but with a after market in house made high flow S-Flow.
So if i were to change my manifold to a 4-1 header (The only currently offered configuration to date), maintained the stock pipe and mid box but changed to sports exhaust / free flow exhaust at the rear, confirm i won't lose any torque / power at lower / higher rpms?
Please advise.
From my understanding 4-1 extractors will boost ur mid to high range rpm but u will suffer from low to mid range. 4-2-1 improves low to mid but lags torque on the mid to high range compared to 4-1.So if i were to change my manifold to a 4-1 header (The only currently offered configuration to date), maintained the stock pipe and mid box but changed to sports exhaust / free flow exhaust at the rear, confirm i won't lose any torque / power at lower / higher rpms?
Please advise.
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