MBRP 4 Inch Cat Back Exhaust System Single Side Exit T409 Stainless Steel For 11-16 Ford F-250/350/450 S5246409 transmissions 1/2 inch thick flanges won't

1/2 inch thick flanges won't warp/flex

Patent pending Delta Joint combines the durability of a ball joint with the performance characteristics of a traditional uniball

Eliminates compressor surge common in stock 1999

The RIGID Q-Series has benefited from several upgrades to improve both the look and performance

MBRP 4 Inch Cat Back Exhaust System Single Side Exit T409 Stainless Steel For 11-16 Ford F-250/350/450 S5246409 transmissions 1/2 inch thick flanges won'tT409 Stainless Steel 4 Inch Cat Back Single Side Exit 4 Inch Cat Back, Single Side Exit, T409 Stainless Steel MBRP's XP Series is the performance exhaust of choice for the enthusiast who needs a system that can take anything that the road throws at it. This system's rugged sixteen gauge T409 Stainless Steel construction can be counted on to withstand everything from salt to rocks, tar to grime. We have had such success with this line that we back it