We ship to all 50 states, and shipping is free on most orders!
Don't know which exhaust system is right for you?
$40 off all PYPES systems! Use code PYPES40
CMCE takes the guesswork out of choosing the right exhaust system for your Muscle Car by offering you all of the complete systems fromPypes,
Flowmaster, MagnaFlow, and Dynomax
in one store, allowing you to compare systems, price, and sound.
We also carry exhaust products from Vibrant Resonators, and American Racing Headers.
Just click on the picture of your vehicle brand below and then on the exhaust brand you want.
You can also hover your cursor over the 'QUICK SEARCH' button in the top bar to pick your vehicle and manufacture.
Due to the affect that Covid has had on the supply chain, we encourage you to call before ordering to ensure your product will be available in a timely manner!
A-Body
+3
Thornton 350 JR Exhaust Manifolds
1200
$399.00
In stock
1
Product Details
No longer available
Unfortunately, Thornton products cannot be shipped to Alaska, Hawaii, or Canada without prior authorization. Please call before ordering if you live in those areas!
All Thornton Headers and Manifolds are subject to a flat shipping rate of $32.95
Direct bolt on with no modifications needed- JUST USE PYPES DOF10SDOWNTUBES
TO CONNECT TO YOUR EXHAUST SYSTEM!
ATTENTION OLDSMOBILE OWNERS!
Brand New, Custom Design!
Here is the high performance exhaust manifold that GM never produced. We have produced what everybody was asking for. This is the high performance solution for those wanting manifolds instead of headers.
Features:
Large 2 1/4" outlet on the driver and passenger side manifolds (original stock manifold is 2"). YOU GET THE FLOW OF A W-30 MANIFOLD FOR YOUR SMALL BLOCK OLDS!
No crossover pipe hole to plug on the passenger side
Divided center port design
Larger design for better air flow
These manifolds are replicated from the 1970 455 W30 manifold and custom fit to the small block for all proper clearances.
They will fit 1964 to 1988 small block Oldsmobile 307, 330, 350, 403. Will fit all GM A-body
cars,
G-body
cars, F-bodyTrans Amwith a 403, and 1971 and newer B and C body cars.
