Tune with inlet pipe replacment?

Discussion of tuning specific to MAZDASPEED3/MAZDASPEED Axela/Mazda 3 MPS vehicles
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mituc
VersaTuner guru
Posts: 1503
Joined: December 17th, 2011, 2:47 pm
Location: Iasi/Romania

Re: Tune with inlet pipe replacment?

Post by mituc »

Those pops are most likely caused by the residual fuel which is shown by those relatively high negative LTFTs...
2008 Cosmic Blue Mazda 3MPS
Built engine + WMI + GTX3071 gen2, ~550BHP @35PSI
2008 Icy Blue Mazda CX7
Built engine and stock exhaust (YES!!), JBR3" + GTX2867 gen2 + Autotech HPFP, self-tuned to 360-ish BHP
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ants87ss
Posts: 7
Joined: November 9th, 2025, 11:13 am

Re: Tune with inlet pipe replacment?

Post by ants87ss »

found it. crack in flex section of exhaust manifold. sounded lower down in the exhaust with the heat shields on
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mituc
VersaTuner guru
Posts: 1503
Joined: December 17th, 2011, 2:47 pm
Location: Iasi/Romania

Re: Tune with inlet pipe replacment?

Post by mituc »

Fix that and check after... things will be different.
2008 Cosmic Blue Mazda 3MPS
Built engine + WMI + GTX3071 gen2, ~550BHP @35PSI
2008 Icy Blue Mazda CX7
Built engine and stock exhaust (YES!!), JBR3" + GTX2867 gen2 + Autotech HPFP, self-tuned to 360-ish BHP
Top
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