40 Series Stainless Steel - 3.00 Offset In / 3.00 Center Out - Aggressive Sound Kits - Fuel System This combination of components gives

This combination of components gives you a huge increase in strength over stock end links

The BD SBS is powder coated for corrosion resistance

all QA1 springs are lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions

quicker response

40 Series Stainless Steel - 3.00 Offset In / 3.00 Center Out - Aggressive Sound Kits - Fuel System This combination of components givesThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.