Vehicle Fitment

Make	Model	Year
GMC	Topkick	1987

Product Details

Cat4ward Stainless Steel Silver Ceramic Coated Short Tube Exhaust Headers (1830S-4JS) by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating: Ceramic. Header Style: Short Tube. JBA shorty headers are one of the best performance upgrades available for any application. Hot Rod magazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers are significantly less restrictive than the stock manifolds on a vehicle and dramatically increase the power and efficiency of an engine. JBA's original shorty design is an innovation of the old long tube header. The new shorty designs yield high performance gains that hot rodders and enthusiasts look for.

Specifications

Series: Cat4ward

Header Material: Stainless Steel

Finish: Silver Ceramic Coated

Header Style: Short Tube

Primary Diameter: 1.625"

Collector Diameter: 2.5"

Quantity: Pair

Attachment Method: Stock flange

Includes

Exhaust Headers
Hardware
Gaskets

Features

Mandrel-bent stainless steel primary tubes
Patented JBA Firecone® collector
Factory style emission connections
Extra thick collector domes
Oversized exhaust ports
Best flow, durability, improved throttle response
Race proven technology for maximum hp/tq gains
Easier installation
Will not distort like lesser quality headers, no leaks
Resists warping, prevents leaks, & easier install
Increased flow, accommodates cylinder head porting
Increased horsepower and torque throughout RPM
Improved fuel economy
Improved engine compartment aesthetics

Installation

JBA® - Cat4ward Exhaust Headers Installation Instructions

JBA® - Cat4ward Exhaust Headers Installation Instructions JBA® - Catalog JBA Authorized Dealer FAQ Warranty About us

JBA® is one of the most trusted names in the aftermarket exhaust industry because of commitment to manufacturing excellence. JBA product designs are original and innovative and always deliver. Power, quality, fit, durability and smog legality are what JBA are known for. In 1987, those qualities were not present in the header or exhaust industry so JBA set out to build products to meet the needs of the growing street performance market.

Brand:

JBA

Part Number:

1830S-4JS

UPC:

694342527013

Alternate MPN:

1830S4JS

Warranty

All JBA headers and exhaust products are guaranteed, to the original purchaser, to be free of defects in materials and workmanship for one year. This warranty covers the replacement or repair of the product only and does not cover the cost of removal and installation, customer applied aftermarket coatings or any discoloration or corrosion of finished surfaces.

Damage or product failure resulting from collision, improper installation, off-road use, road hazards, the use of exhaust insulating wrap or like products or rust occurring after installation, is not covered by the warranty. The warranty extends only to the original purchaser.

Certain uses or occurrences listed below will void this warranty.

Purchaser Assumes Responsibility: JBA expressly disclaims, and the purchaser expressly assumes, responsibility for all labor related costs and any incidental or consequential damages arising from any JBA product installation or failure. JBA’s liability is limited to the purchase price of the product. JBA, at its option, may refund the amount of the purchase to end a warranty claim. Labor charges incurred to install or remove the product are not covered. Damage resulting from incorrect timing, fuel system problems, clogged catalytic converters or backfire is not covered. Charges for the loss of use of vehicle, car rentals, and towing are the responsibility of the customer and are not covered. Cost of customer-applied coatings is not covered. As sound preference is subjective, sound is not warranted. Other than the warranty described herein, JBA products are sold as is. No warranty terms are implied. The terms of this warranty are severable. Any provision voided by state or other applicable law shall not act to enlarge other provisions of this warranty except as expressly required by law. Catalytic converters and other products sold but not manufactured by JBA are subject to the product manufacturer’s warranty only and are not warranted by JBA.

JBA reserves the right to change the price, design, material, or specifications of any product without notice.

The Following Will Void This Warranty: Use of heat-wrap products and/or the use of fuels other than gasoline will void this warranty. Damage caused by improper installation is not covered under this warranty. Damage caused by collision, road hazards, or failure of other components is not covered. Any repair or alteration to a JBA product not performed by JBA or its authorized agents will void this warranty.

JBA cannot assume responsibility for compliance with local law and regulations regarding smog and noise standards. Headers described as “smog legal” are warranted to be C.A.R.B. (California Air Resources Board) exempt or pending exemption approval. This warranty is extended solely to the original purchaser and for the original vehicle on which the product was installed.

Reviews

(5)

Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.

JBA® 1830S-4JS - Cat4ward Stainless Steel Silver Ceramic Coated Short Tube Exhaust Headers

1-5 of 5 Reviews

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5 of 5

Great Product

JBA® 1809S - Cat4ward Stainless Steel Natural Short Tube Exhaust Headers

Love these headers. They look and sound great. Super fast shipping, arrived in 2 days. Very easy to install. They're a little bit pricey, but still, great overall.

Posted by Eduardo (Bakersfield, CA) / January 02, 20202005 Pontiac GTO

4 of 5

Good, however:

JBA® 1961S-2JT - Cat4ward Stainless Steel Titanium Ceramic Coated Short Tube Exhaust Headers

I like the headers. But I wasn’t supplied with enough bolts to attach them to the y-pipe. Also the driver side gasket didn’t fit the existing bolt pattern so I have to now buy the gaskets to fit on my own. Also, not having an install guide made it tricky as well. And the estimated time of delivery was wildly off by two weeks. Still, nice headers.

Posted by Lukas (Norfolk, VA) / August 17, 20192011 Ram 1500

4 of 5

Worth Every Penny

JBA® 1961S-2JT - Cat4ward Stainless Steel Titanium Ceramic Coated Short Tube Exhaust Headers

Ok so this is not an easy job the bends make it really hard to get the bolts in. If you can’t to it go to a shop and have them do it.

Posted by Russell (Verona, WI) / July 10, 20192011 Ram 1500

1 of 5

Ho Hum

JBA® 1618S - Cat4ward Stainless Steel Natural Short Tube Exhaust Headers

Not impressed with product. Stainless Steel had rust spots. Inside of pipes especially dirty - ran a rag through them and came out really dirty and small black bits came out - like a lot. Ran a long slender brush through pipes again and still came out with brown colored bristles. Ports are welded irregular and looks unprofessional. Not sure I want to put these on my car.

Posted by Michael (San Marcos, TX) / March 29, 20192016 Ford Mustang

4 of 5

Solid Headers

JBA® 1945S-1 - Cat4ward Stainless Steel Natural Short Tube Exhaust Headers

Easy installation on passenger side tools about 30 min. The driver side on the other hand took 1 1/2 hours the hardest part is one screw right behind the pipe and difficult to get into. Highly recommend getting these.

Posted by Raymond (Oceanside, CA) / October 06, 20172002 Dodge Ram

Questions and Answers

(0)

If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!