ALUMINIZED GLASS PACKS

100% aluminized glass packs with louvered cores and long-strand high-temp fiberglass. Available with 3", 3-1
/2", 4" and 5" shells, and 1-3/4", 2", 2-1/4", 2-1/2", 3", 4" cores. Glass packs with ends are expandable. Expansion joint prevents premature core breakage. Stainless steel (polished or not) and steel glass packs are available.

Part # Shell Core size Body OAL Inlet/outlet
2612500 3" 1-3/4" 12" 12" blank
2612575 3" 1-3/4" 12" 18" 1-3/4" straight
2612501 3" 1-3/4" 12" 18" 2" straight
2615500 3" 1-3/4" 15" 15" blank
2615575 3" 1-3/4" 15" 21" 1-3/4" straight
2615501 3" 1-3/4" 15" 21" 2" straight
2618500 3" 1-3/4" 18" 18" blank
2618575 3" 1-3/4" 18" 24" 1-3/4" straight
2618501 3" 1-3/4" 18" 24" 2" straight
3512500 3-1/2" 2" 12" 12" blank
3512501 3-1/2" 2" 12" 18" 2" straight
3512502 3-1/2" 2" 12" 18" 2-1/4" straight
3512541 3-1/2" 2" 12" 18" 2" single offset
3512542 3-1/2" 2" 12" 18" 2-1/4" single offset
3518500 3-1/2" 2" 18" 18" blank
3518501 3-1/2" 2" 18" 24" 2" straight
3518502 3-1/2" 2" 18" 24" 2-1/4" straight
3518541 3-1/2" 2" 18" 24" 2" single offset
3518542 3-1/2" 2" 18" 24" 2-1/4" single offset
3518561 3-1/2" 2" 18" 24" 2" double offset
3518562 3-1/2" 2" 18" 24" 2-1/4" double offset
3524500 3-1/2" 2" 24" 24" blank
3524501 3-1/2" 2" 24" 30" 2" straight
3524541 3-1/2" 2" 24" 30" 2" single offset
3524561 3-1/2" 2" 24" 30" 2" double offset
3530500 3-1/2" 2" 30" 30" blank
3530501 3-1/2" 2" 30" 36" 2" straight
4012500 4" 2-1/4" 12" 12" blank
4012502 4" 2-1/4" 12" 18" 2-1/4" straight
4012503 4" 2-1/4" 12" 18" 2-1/2" straight
4015502 4" 2-1/4" 15" 15" blank
4015502 4" 2-1/4" 15" 21" 2-1/4" straight
4018500 4" 2-1/4" 18" 18" blank
4018502 4" 2-1/4" 18" 24" 2-1/4" straight
4018542 4" 2-1/4" 18" 24" 2-1/4" single offset
4018562 4" 2-1/4" 18" 24" 2-1/4" double offset
4018503 4" 2-1/4" 18" 24" 2-1/2" straight
4024500 4" 2-1/4" 24" 24" blank
4024502 4" 2-1/4" 24" 30" 2-1/4" straight
4024503 4" 2-1/4" 24" 30" 2-1/2" straight
4030500 4" 2-1/4" 30" 30" blank
4030502 4" 2-1/4" 30" 36" 2-1/4" straight
4030503 4" 2-1/4" 30" 36" 2-1/2" straight
4512500 4" 2-1/2" 12" 12" blank
4512503 4" 2-1/2" 12" 18" 2-1/2" straight
4515500 4" 2-1/2" 15" 15" blank
4515503 4" 2-1/2" 15" 21" 2-1/2" straight
4518500 4" 2-1/2" 18" 18" blank
4518503 4" 2-1/2" 18" 24" 2-1/2" straight
4530500 4" 2-1/2" 30" 30" blank
4530503 4" 2-1/2" 30" 36" 2-1/2" straight
5012500 4" 3" 12" 12" blank
5012504 4" 3" 12" 18" 3" straight
5015500 4" 3" 15" 15" blank
5015504 4" 3" 15" 21" 3" straight
5020500 4" 3" 20" 20" blank
5020504 4" 3" 20" 26" 3" straight
5024500 4" 3" 24" 24" blank
5024504 4" 3" 24" 30" 3" straight
5030500 4" 3" 30" 30" blank
5030504 4" 3" 30" 36" 3" straight
5012526 4" 3" 12" 24" 2-1/2" in-dual 2-1/4"
5012530 4" 3" 12" 24" 3" in-dual 2-1/4"
5020526 4" 3" 20" 32" 2-1/2" in-dual 2-1/4"
5020530 4" 3" 20" 32" 3" in-dual 2-1/4"
5024-004AL 5" 4" 24" 24" blank
5024-114AL 5" 4" 24" 30" 4" straight

HEADER GLASS PACKS

Red painted steel, 24" body, 3-1/2" shell. For vehicles with headers.

Part #
Size
3524-88 for 2-1/2" header collector 2-1/4" id outlet
3524-99 for 3" header collector 2-1/4" id outlet

ALUMINIZED FLOW PACKS
 

These are straight-through glass packs with a stainless steel perforated core. 100% aluminized shell and ends with long-strand high-temp fiberglass. Available with 4" shells, and 2-1/4", 2-1/2", and 3" cores (3-1/2" with 2" available via special order). Mufflers with ends are expandable. Expansion joint prevents premature core breakage. Recommended for race applications, or as a resonator or secondary muffler. Single and double offset also available.

Part # Core size Body length OAL Inlet/outlet
4212600 2-1/4" 12" 12" blank
4212602 2-1/4" 12" 18" 2-1/4" straight
4218600 2-1/4" 18" 12" blank
4218602 2-1/4" 18" 24" 2-1/4" straight
4224600 2-1/4" 24" 24" blank
4224602 2-1/4" 24" 30" 2-1/4" straight
4312600 2-1/2" 12" 12" blank
4312602 2-1/2" 12" 18" 2-1/2" straight
4318600 2-1/2" 18" 18" blank
4318602 2-1/2" 18" 24" 2-1/2" straight
4324600 2-1/2" 24" 24" blank
4324602 2-1/2" 24" 30" 2-1/2" straight
4412600 3" 12" 12" blank
4412602 3" 12" 18" 3" straight
4418600 3" 18" 18" blank
4418602 3" 18" 24" 3" straight
4424600 3" 24" 24" blank
4424602 3" 24" 30" 3" straight
 
Heartthrob Exhaust Inc.
60819 U.S. Hwy. 12 West
Litchfield, MN 55355
P:  320-693-0222
F:  320-693-8964
email:  heartthrob@willmar.com

The Complete 2005 Catalog

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