Walker Exhaust 2013

TRUCK CLASSIFICATION GUIDE )HZLK VU .YVZZ =LOPJSL >LPNO[ VM ;Y\JR

G.V.W.R.

Category

G.V.W.R. Class

Gross Vehicle Weight Range

Light

1

SIZ . => 9

Light

2

SIZ . => 9

Medium

3

SIZ . => 9

Medium

SIZ . => 9

Medium

SIZ . => 9

Medium

6

SIZ . => 9

/LH]`

7

SIZ . => 9

/LH]`

8

SIZ HUK 9

U.S. EPA Noise Regulations For On Road Trucks

;OL ÄYZ[ UH[PVU^PKL YLN\SH[PVU VM [Y\JR UVPZL ^HZ LZ[HISPZOLK ^P[O [OL 5VPZL *VU[YVS (J[ VM 73 :;(; 9LN\SH[PVUZ HWWS` [V [Y\JRZ NYLH[LY [OHU [V[HS [Y\JR UVPZL UV[ Q\Z[ L_OH\Z[ UVPZL ;OL Ä]L THQVY ZV\YJLZ VM UVPZL PU [Y\JRZ HYL!

SIZ . => 9 5VPZL YLN\SH[PVUZ HWWS` [V

-HU 5VPZL (PY 0U[HRL

4LJOHUPJHS 5VPZL ,UNPUL +YP]L ;YHPU

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Aftermarket Regulations For Total Truck Noise When Measured at 50 Feet Are:

;Y\JRZ TVKLS `LHY HUK UL^LY K)( ;Y\JRZ TVKLS `LHY HUK VSKLY K)(

Maintenance Tips to Assist in Reduction of Exhaust Noise:

*OLJR ÅL_ [\IPUN YLN\SHYS` 9LWHPY ^VYU VY SLHRPUN [\IPUN 4HRL Z\YL [OL L_OH\Z[ Z`Z[LT PZ WYVWLYS` Z\WWVY[LK ^P[O YLX\PYLK IYHJRL[Z JSHTWZ HUK IYHJLZ *OLJR Z[YHW ZLHS IHUK JSHTWZ [V LUZ\YL WYVWLYS` [PNO[LULK [V H]VPK SLHRZ *VUZPKLY HJV\Z[PJ JVTWV\UK ^OLU YLWHPYPUN 6+ 0+ JVUULJ[PVUZ

6