Peterbilt Exhaust Kits by DynaFlex
6", 7" or 8" Peterbilt Exhaust Kits by DynaFlex
Choose your diameter, then select your style of Peterbilt truck, and finally choose your spool style for the inline muffler quiet option or the standard spool.
ONLINE PRICING OF EXHAUST STACKS THAT ARE LISTED AS "OUT OF STOCK" MAY NOT REFLECT IN-STORE or CUSTOM ORDER PRICES. CALL FOR UPDATED INVENTORY & PRICING INFORMATION - 603-224-7370
* Fitment suggestions provided are the most common but you must measure your exists center spool to determine length needed.
* Center Spools designed to work with DynaFlex brand exhaust. Cannot guarantee proper fitment with other brand exhaust.
No MONSTER STACK is complete without the last bit of style...
Once you've completed a stack build, make sure to select the Top Caps to complete your new exhaust stack.
KA-805055CP-1, KA-705055CP-1, KA-605055CP-1, KA-Q805055CP-1, KA-Q705055CP-1, KA-Q605055CP-1, KD-805052CP, KD-705052CP, KD-605052CP, KD-Q805052CP, KD-Q705052CP, KD-Q605052CP, KRP-805052CP, KRP-705052CP, KRP-605052CP, KRP-Q805052CP, KRP-Q705052CP, KRP-Q605052CP, KD-805055CP, KD-705055CP, KD-605055CP, KD-Q805055CP, KD-Q705055CP, KD-Q605055CP, KRP-805055CP, KRP-705055CP, KRP-605055CP, KRP-Q805055CP, KRP-Q705055CP, KRP-Q605055CP, KRP-AK805055CP, KAA-805046CP, KAA-705046CP, KAA-Q805046CP, KAA-Q705046CP, KDD-805046CP, KDD-705046CP, KDD-605046CP, KRPP-805062CP, KRPP-705062CP, KRPP-805062CP-1, KRPP-705062CP-1

Still looking for the perfect part? Having trouble finding it?
Call our product experts at 603-224-7370 and let us lend a hand.
Build-A-Stack
HOW TO BUILD YOUR DYNAFLEX MONSTER STACK SYSTEM
STEPS:
1) Choose Top Stack
2) Choose Center Spool
3) Choose Lower Elbow
4) Choose Clamps
Costs: Parts are priced individually.
NOTE: Top Caps are not included in example.
Building out your exhaust stack can be confusing.
If you have any questions, concerns, or just want help...
our product experts are the best in the biz.
Give them a call at: 603-224-7370
Example: Peterbilt 379 6" Pipes
Top cab mount: 101"
Desired overall height: 13ft. 6in. (162 inches)Find the height:162" - 101" = 61 inches
Stack PiecePartQtyPriceTop PipeCurved 60"2$281.00SpoolQuiet 52"2$405.00Elbow90°2$354.00Clamps4 Butt Joint4$117Total10 pcs.$2548.00
NOTE: Top Caps are not included in example.
Still looking for the perfect part? Having trouble finding it?
Call our product experts at 603-224-7370 and let us lend a hand.
Specs & B.O.M.s
All Technical Drawings & Bill of Materials vendor product #s reflect an 8 inch diameter stack. Vendor product #s will change accordingly for both 6 & 7 inch diameter stacks.
PETERBILT 359 - 55"PETERBILT 379 - 52"

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PETERBILT 379X - 55"PICKETT 379 - 52" & 55"

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PETERBILT 359 379 389G Full DiameterPETERBILT 379 AK Lite

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PETERBILT 389 AK LitePETERBILT 389 - OEM Style - 2011-2015 UB

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View Technical Drawing
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PETERBILT 389 - Pickett - DPF - SCR Moving KitPETERBILT 389 - Pickett - DayCab - Bolt On

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View Technical Drawing
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Still looking for the perfect part? Having trouble finding it?
Call our product experts at 603-224-7370 and let us lend a hand.