Invidia Full Titanium Cat Back Exhaust Nissan GT-R R35 2008-2016 | HS08R35TTG Car Apparel The springs are crafted from

The springs are crafted from SAE-9254 cold-wound steel

resonant exhaust note

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Idle Adjustment Screws for Fine Tuning

Damping Levels 40-Level Height Adjustment Yes Spring Rate(Front) 8 kg/mm (448 lbs/inch) Spring Rate(Rear) 12 kg/mm (672 lbs/inch) Spring Length(Front) 180 mm Spring Length(Rear) 180 mm Front Top Mount No

Invidia Full Titanium Cat Back Exhaust Nissan GT-R R35 2008-2016 | HS08R35TTG Car Apparel The springs are crafted fromCasting Flanges beta 6 4 Titanium Alloy, Awesome strength, High durability. Bended forming, Piping Inside and outside smooth with Good exhaust efficiency, reducing welding failure issues. Use Japan Nippon steel & Sumitomo metal high quality pure G5 Titanium raw materials, heat resistant titanium alloy, same material as 2017 Nissan GTR factory titanium exhaust!