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If you did not change anything about the intake, installing a wider exhaust could be either neutral or detrimental. Many people have bought magic exhaust mods f
by jeffbee 2y ago
If you did not change anything about the intake, installing a wider exhaust could be either neutral or detrimental. Many people have bought magic exhaust mods for their naturally-aspirated cars only to discover that the engine now guzzles fuel without being noticeably more powerful.
- grecy 2y agoOf course, Cobb are well known for complete kits with a new intake manifold and higher boost pressures on turbo cars. More air in and out means a bigger bang.