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JasonG · 01-06-2012, 09:55 PM

Is that a muffler or is the muffler farther upstream and that is just a resonator ?
If so, just straight pipe it and live with the resonance around 1400-1800 RPMs most develop.

01-06-2012, 09:55 PM	#9 (permalink)
JasonG Master EcoModder Join Date: May 2009 Location: Charlotte NC / York SC Posts: 728 05 DMax - '05 Chevrolet 2500HD 90 day: 18.48 mpg (US) Thanks: 120 Thanked 56 Times in 52 Posts	Is that a muffler or is the muffler farther upstream and that is just a resonator ? If so, just straight pipe it and live with the resonance around 1400-1800 RPMs most develop. __________________ I can't understand why my MPG's are so low..........