Dynatech® high-flow slip-on collectors are designed with maximum exhaust flow in mind for great performance, With a high-flow long transition area, these collectors maximize flow to help you get the most out of your exhaust system, Comes standard ceramic coated inside and out to complete the excellent look of your system and are race-ready right out of the box, Designed with a unique pan e-vac / O2 sensor bung, U-tabs are already installed on the collectors for an easy bolt-on to any Dynatech® header with no welding required
Dynatech® 783-81241 Coated Slip-On Collector, 2-3/8 x 4 x 12 Dynatech
Dynatech® 783-81241 Coated Slip-On Collector, 2-3/8 x 4 x 12
Sku # 31178381241
Mfr. Part # 783-81241
Condition
New
Brand
Dynatech
Sold
Each
Details
Info

Dynatech® slip-on race collectors offer great performance at an affordable price. Changing collector outlet size or length are popular ways to make tuning adjustments as track conditions change (i.e. changing to a larger collector outlet size can aid in "slick track" conditions).

  • Direct bolt-on fit to all Dynatech® Drag Headers
  • Durable Ceramic coating
  • Long-transition 4-into-1 design for maximum power
  • 18mm accessory bung (see Notes)
  • Listed by Primary I.D. x Collector O.D. x Length
  • Sold individually
Installation Tips
A unique feature is the pan e-vac bung installed on all Ceramic Coated slip-on collectors. By using an 18mm thread, you have the option to use the included threaded adapter for your breather line hook-up, or oxygen sensors found on fuel injection and air/fuel ratio meters.

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Specs
Sold in Quantity
Each
Overall Length
12
Finish
Ceramic Coated
Collector Diameter
4 Inch
Primary Tube Diameter
2-3/8"
MFG. Part #
783-81241
Tech Support
We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help.
About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.