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backpressure
will running 2 mufflers cause my car to lose backpressure therefore lose horsepower... or will it actually add horsepower??
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MODS
17inch Enkei CDR9
Yokohama 45 series Zrated
R-1 Racing Sport Wing
Aerospeed Muffler
SilverStar Hyperwhites
FDP Performance Cold Air Intake
2 1/2 inch pipe exhaust
Catco High Airflow Convertor
Removed Resonator
Custom GTS Taillight Covers
Cameleon Inside Trim
Custom Faberic Headboard
APC Shiftknob
Bosch Platinum +4 Plugs and Wires
35% Window Tint
Custom Graphics by Motor City Customs
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