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2009 dB Drag Racing Rules & Regulations

dB Drag Racing Class Matrix Reference

Class	Normal Use	Vehicle Mods	Woofer Qty	Walls
Street Stock	B-Pillar Forward	Yes	1-4 *	No
Street A	Everywhere	No	1-3 *	No
Street B	Everywhere	No	1-4 *	No
Street C	Everywhere	No	1-8 *	No
Street Max	B-Pillar Forward	No	1-4	OK
Super Street NW	B-Pillar Forward	No	1+	No
Super Street 1-2	B-Pillar Forward	Yes	1-2	OK
Super Street 3-4	B-Pillar Forward	Yes	3-4	OK
Super Street 5+	B-Pillar Forward	Yes	5+	OK
Extreme 1	Exempt	Yes	1	Required
Extreme 2+	Exempt	Yes	2+	Required

Class	Max Conductors	Max Amps	Podium
Street Stock	4 per sub	2KW Max Total	Yes
Street A	2 Total	1	No
Street B	2 Total	1 *	No
Street C	4 Total	2 *	No
Street Max	4 Total	2 *	Yes
Super Street NW	8 Total *	4 *	Yes
Super Street 1-2	4 per sub	Unlimited	Yes
Super Street 3-4	4 per sub	Unlimited	Yes
Super Street 5+	4 per sub	Unlimited	Yes
Extreme 1	4 per sub	Unlimited	Yes
Extreme 2+	4 per sub	Unlimited	Yes

Class	Battery Qty	Battery Size	Battery Box	Capacitor Qty
Street Stock	1	Standard 650 in^3	No	Unlimited
Street A	1	Standard 650 in^3	No	1F
Street B	1	Standard 800 in^3	No	1F
Street C	2	Standard 800 in^3	No	2F
Street Max	1	800 in^3	No	1F
Super Street NW	Unlimited	Unlimited	No	Unlimited
Super Street 1-2	Unlimited	Unlimited	Yes	Unlimited
Super Street 3-4	Unlimited	Unlimited	Yes	Unlimited
Super Street 5+	Unlimited	Unlimited	Yes	Unlimited
Extreme 1	Unlimited	Unlimited	Yes	Unlimited
Extreme 2+	Unlimited	Unlimited	Yes	Unlimited

Class	Alternator Qty	Max Volts	Vehicle Run
Street Stock	1	12 (16 Max)	Yes
Street A	-	12 (14 Max)	No
Street B	-	12 (14 Max)	No
Street C	-	12 (14 Max)	No
Street Max	-	12 (14 Max)	No
Super Street NW	2	16 (18 Max)	Yes
Super Street 1-2	2	18 Max	Yes
Super Street 3-4	2	18 Max	Yes
Super Street 5+	2	18 Max	Yes
Extreme 1	Unlimited	18 Max	Yes
Extreme 2+	Unlimited	18 Max	Yes

Class Matrix Notes

Street Stock – 1-15 or 2-12’s or 3-10’s or 4-8’s / Maximum 2000 Watts RMS Total Amplification
Street A – 1-12 or 2-10’s or 3-8’s / Maximum of 1 amp – 2 Conductors total between amp rack and sub enclosure
Street B – 1-15 or 2-12’s or 3-10’s or 4-8’s / Maximum of 1 amp (or 2 monoblock amplifiers) – 2 Conductors total between amp rack and sub enclosure
Street C – 1-18 or 2-15’s or 4-12’s or 6-10’s or 8-8’s / Maximum of 2 amps (or 4 monoblock amplifiers) – 4 Conductors total between amp rack and sub enclosure
Street Max –Maximum of 2 amps (or 4 monoblock amplifiers) – 4 Conductors total between amp rack and sub enclosure
Super Street NW – Maximum of 4 amps (or 8 monoblock amplifiers) - 8 Conductors total between amp rack and sub enclosure. Maximum 4 conductors per sub

Glossary of Terms

Alts – Number of alternators permitted
Amps – Maximum number of physical amplifiers permitted
Battery Box – Battery box permitted
Battery Qty – Maximum number of batteries permitted
Battery Size – Physical size limits for each battery in cubic inches
Caps – Number of Farads permitted
Maximum Conductors – Maximum number of electrical conductors between the amplifier(s) and the sub enclosure. A normal speaker wire is composed of two conductors; 1 for positive and 1 for negative.
Normal Use – Normal use restriction applies
Podium – Podium use permitted
Run – Vehicle may be running during competition
Standard Battery – 12-volt, 6-cell (connected in series), lead-acid or gel-type battery.
Vehicle Mods – Structural vehicle modifications permitted
Volts – Battery voltage (value in parenthesis indicates maximum voltage in the lanes)
Walls – Walls are permitted
Woofers – Number of woofers allowed

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