In order to truly impact "backpressure" and how it affects the engine is if you went with piping with the diameter of a coffee can. A half inch to an inch at a time is not going to adversely impact engine cycle.
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2010 Camaro 2SS/RS (LS3)
573 RWHP 498 RWTQ
- Vortech V3 Supercharger
- Kooks Stepped Headers, Magnaflow 16580
- Suspension by Pfadt, Hotchkis.
2007 Trailblazer SS- Sold
2001 Trans Am WS6 431 RWHP 408 RWTQ - Sold
1994 Camaro Z28 - Sold
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