ISR Performance High Flow Cat - Infiniti Q60 3.0T mustang trunk pannel Full Body Length Adjustment: Independent

Full Body Length Adjustment: Independent ride height and spring preload adjustments

throaty exhaust note under wide open throttle yet are subtle at idle and while cruising

NOTE: For the rear suspension

Progressive Spring Rates: Allows for a comfortable ride under normal travel and during compression

Independent Spring Tension - Custom Stiffness Without Change Ride Height

ISR Performance High Flow Cat - Infiniti Q60 3.0T mustang trunk pannel Full Body Length Adjustment: IndependentISR Performance High Flow Cat Infiniti Q60 3. 0T ISR Performance high flow cats are custom made utilizing 300 cell spun Metallic substrate to be less restrictive than stock, Letting you gain power while still converting harmful exhaust gasses, ISR HFC are Fully TIG welded with true mandrel bends throughout. ISR Performance HFC bolt up to factory or aftermarket exhaust (as long as the aftermarket exhaust is built from OEM specs). ISR HFC also retains