SRT4 Buildup Guidelines 
 Stage 1 
Mopar Performance Stage 1 
FM adjustable wastegate actuator 
Magnecor 8.5mm wires 
NGK V Power spark plugs 
AEM Cold Air Intake 
Motor Mount Inserts or FM Drag Mounts 
 
1/4 Mile Time on drag radials 
13.2 - 13.5 @ 103 mph depending on track conditions
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Stage 2 
Add: 
3 Inch Cat Back Exhaust 
FM Front Mount Intercooler Kit w/ 
Turboxs or Tial blow off valve 
 
1/4 Mile Time on drag radials 
12.9 - 13.2 @ 106 mph depending on track conditions
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Stage 3 
Add: 
3 Inch Downpipe  
Crane #14 Cams 
Fidanza Cam Gears 
FM Return Fuel System and 255 LPH Fuel Pump or 
Apexi SAFC 2, DTEC fuel computer 
Stage 2 injectors 
 
1/4 Mile Time on drag radials 
12.5 - 12.7 @ 111-112 mph depending on track conditions
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Stage 4 
Add: 
FM Enforcer 1 Turbo 
Remove balance shafts 
 
1/4 Mile Time on drag radials 
12.3 - 12.5 @ 115 mph depending on track conditions
 
12.0 - 12.2 @ 118 mph on slicks depending on track conditions
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Stage 5 
Add: 
3 Inch O2 housing 
FM Max Flow exhaust manifold 
Enforcer 2 Turbo 
 
1/4 Mile Time on drag radials 
12.0 and under @ 118 mph and faster 
 
Performance numbers are achieved with parts listed.  Other similar parts will not yield the same results. 
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