1969 AMC AMX with Spintech Sportsmans
390 engine, Lunati Voodoo 10100703LK, 2 1/2" Spintech Sportsmans with an x-pipe
1970 Nova with Spintechs
70 nova with 350 bored .030 over with a mutha thumpa cam and with Spintech super pro muffs
New Spintech Mufflers 383 SBC Full Length Headers 3" Mandrel
Recently took off the Edelbrock mufflers and put on Spintech mufflers. They freed up some more power, sound better, etc.. Hope this helps if you are trying to decide.
Big Block Chevelle w/ Spin Tech mufflers & X pipe
The sweet sound of a 468 cid big Chevy through a 3.5" X pipe and a pair of Spin Tech Truck/RV mufflers.