SB Chevy Comp/Super Gas Strut Front Weld-Up Header Kit
Turndowns Slips over existing exhaust pipe or collector end for a slight noise reduction. Part No. Description DTH780-00100 Turndown, 3" Dia. DTH780-00200 Turndown, 3-1/2" Dia. DTH780-00050 Turndown, 4" Dia. Collector Extension DTH780-00314 Collector extensions help increase bottom end torque for quicker 60’ times. Extension is 3" dia. x 14" long. Sold each. Clamp Collars Connect collector extensions, X-pipes or mufflers without welding. Part No. Description DTH794-90200 Clamp Collar Kit, 3" Dia. DTH794-90350 Clamp Collar Kit, 3-1/2" Dia. DTH794-90400 Clamp Collar Kit, 4" Dia. V-Clamp Kits Special V-clamps ease the installation or removal of custom exhaust systems. Ideal when adding collector extensions, muf- flers, etc. Offered for 2-1/2" or 3" tubing, each kit includes two weld-on, V-clamp rings and stainless steel V-band clamp. Part No. Description DTH794-91225 V-Clamp Collar Assembly, 2-1/2" Dia. DTH794-91230 V-Clamp Collar Assembly, 3" Dia. Racing Header Gaskets
Weld-up header kit for popular small block Chevys offers optimized port exit angle and stepped 1-7/8"-2" primary tubes for increased horsepower. Kit is tack welded to ease changes or perform finish welding. Sold complete with CNC laser-cut flanges, pre-bent primary tubes, gaskets and bolts. Collectors must be purchased separately. Part No. Description Tube Size Collector Dia. DTH762-91510 Weld-Up Header Kit 1-7/8”-2” 3-1/2” Slip-On Collectors Bolt-on, right out of the box. Mild
steel construction collectors are 12" in length and each have an e-vac bung for easy installation of a crank- case evacuation system or an oxygen sensor. Choose from black painted or silver ceramic coated. Sold each. Slips Outlet Black Painted
Silver Ceramic Coated
Over
Size
Part No.
Part No.
2-1/4” 2-3/8” 2-3/8” 2-1/2” 2-1/2”
4” 4”
DTH783-71240
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DTH783-81241 DTH783-81246 DTH783-91246
Custom die cut gaskets per- fectly match Dynatech header flanges. Sold individually. Part No.
4-1/2” 4-1/2”
DTH783-81245
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5”
DTH783-91250
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Description
Merge Collectors Unique reduction angle provides 5-10 added horsepower and increases torque. Slip-on style, black painted collectors are sold individually. Part No. Slips Over Outlet Size DTH780-01514 1-3/4” 3” DTH780-02518 2-1/4” 4” DTH780-03519 2-3/8” 4-1/2” DTH780-03510 2-1/2” 4-1/2” DTH780-03519 2-3/8" 4-1/2" DTH780-03510 2-1/2' 4-1/2"
DTH794-00000 DTH794-00001 DTH794-03001
SB Chevy, Spread Port SB Chevy, Std. Port 23° SB Chevy, 18°/Dart
Racing Header Accessories Part No.
Description 18mm O2 Plug
DTH785-10094 DTH785-10095 DTH785-10097
O2 Sensor/Pan E-Vac Kit
Cylinder Head Shown With DTH796-00100 Installed
18mm Weld-On Bung DTH796-00100 SB Chevy Stahl Header Adapter
Split-Flow Race Mufflers Straight-thru muffler reduces the decibel level of powerful street or strip engines and still maintains a powerful
Vortex Cone Muffler The Vortex Cone Muffler is Installed into the header collector near the exit. This compact 304 stainless steel cone insert reduces noise level without robbing horsepower. The unique perforated and diagonal baffled design creates a vortex flow which does not affect backpressure or scavenge performance. Ultra lightweight only a 1/2 pound of performance. Includes mounting hardware. Sold Each. Part No. Size DTH772-32520 3” x 4.750” Long DTH772-32530 4” x 7.250” Long DTH772-32540 4.5” x 7.375” Long
sound. Lightweight, aluminized muffler has dual pattern core with stainless steel sound absorbing material to prevent burnout. Available in oval and round styles. Part No. Description Inlet Outlet Oval Race Muffler (14" L x 7" W x 4-1/2' H) DTH776-14252 Split-Flow Muffler 2-1/2" 2-1/2" DTH776-14302 Split-Flow Muffler 3" 3" DTH776-14352 Split-Flow Muffler 3-1/2" 3-1/2" DTH776-14402 Split-Flow Muffler 4" 4" Round Race Muffler (6" L x 5" Dia.) DTH776-06302 Split-Flow Muffler 3" 3" DTH776-06352 Split-Flow Muffler 3-1/2" 3-1/2"
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