🚗 Elevate Your Ride with Thornton's Precision!
Thornton's 350 JR Exhaust Manifolds are engineered by Thornton Reproductions to enhance your vehicle's performance through optimized airflow and reduced back pressure, ensuring a perfect fit and easy installation for a seamless upgrade.
| Manufacturer | Thornton Reproductions |
| Brand | Thorton Reproductions |
| Manufacturer Part Number | TH015 |
J**F
Both ports are 21/4 inch.
No problem installing. Same as dimensions as original. Installed on 70's auto.
S**Y
Manifolds
Good quality.
C**S
Thorntons 350 jr exhaust manifolds.
I put these on my 79 Trans Am with the 403 oldsmobile motor after ceramicoting them and the car sounds great and no more rusty old manifolds with a cap on one side.
R**.
Exellent reproduction with out the useless cross over pipe on the passenger side
Exellent reproduction with out the useless cross over pipe on the passenger side. Appear to be exellent quality. Had no issues installing them in a 83 Cutlass with a 77 olds 350.Very happy.
H**S
Nice choice.
Great looking manifold, nice way to keep the original look under the hood of my 1970 Cutlass Pace Car without putting headders on it.
Trustpilot
3 weeks ago
1 week ago